If you or someone you know likes talking about science let us know! 🧪
We're looking for guests to join us on the next season of @scienceactually.bsky.social Presents: The Nerd and the Scientist: forms.gle/Y5kdvmuVJ1Qu...
Uranus has the coldest atmosphere of any of the planets in the solar system, even though it is not the most distant from the sun. #science #sciencefacts #uranus #cold #coldest #gasgiant #icegiant
Uranus has the coldest atmosphere of any of the planets in the solar system, even though it is not the most distant from the sun.
#science #sciencefacts #uranus #cold #coldest #gasgiant #icegiant
Octopuses have three hearts: two just to pump blood through the gills and one more to circulate it to the organs. The circulating heart stops beating while an octopus swims, as swimming puts a lot of pressure on their bodies, making it harder for their hearts to pump blood. #science #sciencefacts #octopus #octopuses #heart #swimming #swimmingisexhausting
Octopuses have three hearts: two just to pump blood through the gills and one more to circulate it to the organs. The circulating heart stops beating while an octopus swims, as swimming puts a lot of pressure on their bodies.
#science #sciencefacts #octopus #octopuses #heart #swimming
Jonathan, a Seychelles giant tortoise, is the world's oldest known living land animal. As of 2025, he is estimated to be around 192 years old. #science #sciencefacts #jonathanthetortoise #tortoise #gianttortoise #seychellesgianttortoise
Jonathan, a Seychelles giant tortoise, is the world's oldest known living land animal. As of 2025, he is estimated to be around 192 years old.
#science #sciencefacts #jonathanthetortoise #tortoise #gianttortoise #seychellesgianttortoise
Before unleashing their infamous stink bomb, skunks stomp their feet, hiss, and sometimes even do a handstand to warn predators. So, if you see an acrobatic skunk - run. #science #sciencefacts #skunk #skunks
Before unleashing their infamous stink bomb, skunks stomp their feet, hiss, and sometimes even do a handstand to warn predators. So, if you see an acrobatic skunk - run.
#science #sciencefacts #skunk #skunks
Despite their towering height and tree-like appearance, palm trees are actually more closely related to grasses, lilies, and bamboo than to traditional trees. They belong to the monocot group of plants, which means they have no rings, no true bark, and no real branches. Instead, their trunks are more like giant, reinforced stems. Thanks for sharing, David Z.! 🤘 #science #sciencefacts #palmtrees #grass #monocot
Despite their towering height and tree-like appearance, palm trees are actually more closely related to grasses, lilies, and bamboo than to traditional trees.
#science #sciencefacts #palmtrees #grass #monocot
Octopuses (and some other cephalopods) can rewrite their RNA on the fly to adapt to changes in their environment. This allows them to tweak how their neurons function, helping them survive in different temperatures or even enhance their intelligence. #science #sciencefacts #octopus #octopuses #geneediting #rna
Octopuses (and some other cephalopods) can rewrite their RNA on the fly to adapt to changes in their environment. This allows them to tweak how their neurons function, helping them survive in different temperatures or even enhance their intelligence.
#science #sciencefacts #octopus #octopuses
Scientists have found that being in love activates the brain’s reward system in a way that can actually reduce physical pain. #science #sciencefacts #love #pain #feelnopain #happyvalentinesday
Scientists have found that being in love activates the brain’s reward system in a way that can actually reduce physical pain.
#science #sciencefacts #love #pain #feelnopain #happyvalentinesday
Lake Vostok, a subglacial lake buried under 2.5 miles (4 km) of Antarctic ice, has been completely cut off from sunlight, the atmosphere, and the rest of Earth for millions of years - and is teeming with life. Scientists drilled down and found thousands of microscopic organisms, including bacteria, fungi, and even signs of complex life. #science #sciencefacts #lakevostok #subglaciallake #life #antarctica
Lake Vostok, a subglacial lake buried under 2.5 miles (4 km) of Antarctic ice, has been completely cut off from sunlight, the atmosphere, and the rest of Earth for millions of years - and is teeming with life.
#science #sciencefacts #lakevostok #subglaciallake #life #antarctica
WASP-76b, an ultra-hot Jupiter exoplanet about 640 light-years away. On the day side, temperatures soar past 2,400°C (4,350°F) - hot enough to vaporize iron into gas. WASP-76b is also tidally locked. The hot side vaporizes iron, and violent winds whip that iron vapor to the cooler night side, where it condenses into liquid metal droplets and falls as molten iron rain. #science #sciencefacts #exoplanet #hotjupiter #wasp76b #ironrain #metalrain
WASP-76b, an ultra-hot Jupiter exoplanet about 640 light-years away. On the day side, temperatures soar past 2,400°C (4,350°F) - hot enough to vaporize iron into gas. WASP-76b is also tidally locked. The hot side vaporizes iron, which condenses into liquid metal and falls as molten iron rain.
A massive cloud of gas located near the center of the Milky Way galaxy, which contains a significant amount of ethanol (ethyl alcohol), alongside other complex molecules, is essentially a giant cloud of "space alcohol." This cloud is often described as smelling like "raspberry rum" due to the presence of certain esters. #science #sciencefacts #gascloud #ethanol #ethylalcohol #spacealcohol #esters #raspberryrum #sagittariusB2
A massive cloud of gas located near the center of the Milky Way galaxy, which contains a significant amount of ethanol (ethyl alcohol), alongside other complex molecules, is essentially a giant cloud of "space alcohol." This cloud is often described as smelling like rum due to the presence of esters
PSR J1748-2446ad is the fastest known spinning pulsar. At about 20 kilometers (12 miles) across, it spins over 700 times a second - at the equator that’s 24% the speed of light. #science #sciencefacts #pulsar #fastest #psrj17482446ad
PSR J1748-2446ad is the fastest known spinning pulsar. At about 20 kilometers (12 miles) across, it spins over 700 times a second - at the equator that’s 24% the speed of light.
#science #sciencefacts #pulsar #fastest #psrj17482446ad
Surrounding a quasar called APM 08279+5255, about 12 billion light-years away, is a water vapor cloud containing 140 trillion times the water of Earth’s oceans. #science #sciencefacts #quasar #apm08279 #water #watervapor
Surrounding a quasar called APM 08279+5255, about 12 billion light-years away, is a water vapor cloud containing 140 trillion times the water of Earth’s oceans.
#science #sciencefacts #quasar #apm08279 #water #watervapor
Deep beneath Earth's surface, there’s an enormous amount of water trapped inside a special blue mineral called ringwoodite in the mantle. #science #sciencefactds #water #earth #mantle #ringwoodite
Deep beneath Earth's surface, there’s an enormous amount of water trapped inside a special blue mineral called ringwoodite in the mantle.
#science #sciencefactds #water #earth #mantle #ringwoodite
There’s a theoretical limit to how tall a tree can grow, and it’s about 426 feet (130 meters). Why? Because trees rely on capillary action and water tension to pull water up from their roots to their leaves. At a certain height, gravity overcomes the tree’s ability to transport water effectively, causing water columns to break and leading to air bubbles (embolism) in their vascular system. The tallest known tree, Hyperion, is a redwood in California, is 379.7 feet (115.9 meters). #science #sciencefacts #trees #limit #capillaryaction #watertension #hyperion
There’s a theoretical limit to how tall a tree can grow, and it’s about 426 feet (130 meters).
#science #sciencefacts #trees #limit #capillaryaction #watertension #hyperion
The stay apparatus is a system of muscles, ligaments, and tendons in horses that allows them to stand on three legs while resting the fourth. This unique adaptation helps horses sleep while standing up and reduces wear and tear on their legs. #science #sciencefacts #horse #horses #stayapparatus
The stay apparatus is a system of muscles, ligaments, and tendons in horses that allows them to stand on three legs while resting the fourth. This unique adaptation helps horses sleep while standing up and reduces wear and tear on their legs.
#science #sciencefacts #horse #horses #stayapparatus
The One-Electron Universe Theory is an idea proposed by physicist John Archibald Wheeler in a phone call to Richard Feynman in 1940. It suggests that every electron in the universe is actually the same single electron, traveling back and forth through time. #science #sciencefacts #oneelectronuniverse #johnarchibaldwheeler #richardfeynman #electron
The One-Electron Universe Theory is an idea proposed by physicist John Archibald Wheeler
in a phone call to Richard Feynman in 1940. It suggests that every electron in the universe is actually the same single electron, traveling back and forth through time #science #sciencefacts #oneelectronuniverse
On September 3, 2002, astronomers discovered an asteroid with an unusual orbit around Earth. Further analysis of its trajectory and spectrographic evidence—specifically, the presence of titanium dioxide used in Apollo missions—revealed that it was actually the third stage of the Apollo 12 rocket, launched in 1969. #science #sciencefacts #asteroid #J002E3 #apollo12 #thirdstage #rocketstage
On September 3, 2002, astronomers discovered an asteroid with an unusual orbit around Earth. Further analysis of its trajectory and spectrographic evidence—specifically, the presence of titanium dioxide used in Apollo missions—revealed that it was actually the third stage of the Apollo 12 rocket.
Surfing bathymetry refers to the underwater topography that shapes how waves break, including reefs, sandbars, and underwater canyons. The ideal bathymetry funnels wave energy toward shallow areas in a way that creates clean, rideable waves. Thanks for sharing, Olivia S.! #science #sciencefacts #bathymetry #surfing #surfingbathymetry
Surfing bathymetry refers to the underwater topography that shapes how waves break, including reefs, sandbars, and underwater canyons. The ideal bathymetry funnels wave energy toward shallow areas in a way that creates clean, rideable waves.
#science #sciencefacts #bathymetry #surfing
A humorous concept among the scientific community, often referred to as 'The Pizza Radius' or the 'Thermonuclear Culinary Zone,' suggests that for every nuclear explosion, there exists a precise mathematical distance where the heat flux would be just right to perfectly cook a frozen pizza. #science #sciencefacts #pizza #frozenpizza #nuclearexplosion #pizzaradius #thermonuclearculinaryzone
A humorous concept among the scientific community, often referred to as 'The Pizza Radius' or the 'Thermonuclear Culinary Zone,' suggests that for every nuclear explosion, there exists a precise mathematical distance where the heat flux would be just right to perfectly cook a frozen pizza.
#science
Spectralon is considered one of the whitest and most reflective materials known - reflecting over 99% of light. However, it’s not a pigment in the traditional sense - it's a highly diffuse reflective material made from polytetrafluoroethylene (PTFE, the same polymer as Teflon). #science #sciencefacts #spectralon #polytetrafluoroethylene #PTFE #reflectivematerial #whitestwhite
Spectralon is considered one of the whitest and most reflective materials known - reflecting over 99% of light. However, it’s not a pigment in the traditional sense - it's a highly diffuse reflective material made from polytetrafluoroethylene (PTFE, the same polymer as Teflon).
#science
Galagos, also known as bush babies, have large, forward- -facing eyes that are fixed in their sockets, meaning they can't rotate their eyeballs. To compensate, they have extremely flexible necks that allow them to turn their heads almost 180 degrees. #science #sciencefacts #galago #galagos #bushbaby #eyeballs
Galagos, also known as bush babies, have large, forward-facing eyes that are fixed in their sockets, meaning they can't rotate their eyeballs. To compensate, they have extremely flexible necks that allow them to turn their heads almost 180 degrees.
#science #sciencefacts #galago #galagos #bushbaby
Sperm whales have two nostrils, but unlike most animals, they are asymmetrically positioned. The left nostril is visible on the outside and forms the single blowhole used for breathing. The right nostril is hidden inside the whale’s massive head and is actually part of its complex echolocation system. Thanks for sharing, The Guernsey Scientist ! #science #sciencefacts #spermwhale #spermwhales #nostril #echolocation
Sperm whales have two nostrils, but unlike most animals, they are asymmetrically positioned. The left nostril is visible on the outside and forms the single blowhole used for breathing. The right nostril is hidden inside the whales massive head and is actually part of its complex echolocation system
Michelangelo had an astonishing understanding of human anatomy, which was so advanced that some of his artwork reveals details that were unknown or poorly understood in his time. One particularly obscure example is the "Creation of Adam" on the Sistine Chapel ceiling. Researchers have noted that the depiction of God surrounded by angels resembles an anatomically accurate cross-section of the human brain. #science #sciencefacts #michaelangelo #creationofadam #sistinechapel #humanbrain #anatomy
Michelangelo had an astonishing understanding of human anatomy, which was so advanced that some of his artwork reveals details that were unknown or poorly understood in his time. One particularly obscure example is the "Creation of Adam" on the Sistine Chapel ceiling. L
#science #sciencefacts
The chosen color for most night vision devices is green, because the human eye can distinguish more shades of green than any other color. #science #sciencefacts #green #humaneye #nightvision
The chosen color for most night vision devices is green, because the human eye can distinguish more shades of green than any other color.
#science #sciencefacts #green #humaneye #nightvision
90% of the atoms in our bodies were forged in stars - elements like carbon, oxygen, nitrogen, and iron. The remaining 10% comes from the Big Bang - the universe's first moments which created the lightest elements, hydrogen and helium. Thanks for sharing, Professor Erika Hamden! #science #sciencefacts #atoms #humanbody #humanbodyfacts #bigbang
90% of the atoms in our bodies were forged in stars - elements like carbon, oxygen, nitrogen, and iron. The remaining 10% comes from the Big Bang - the universe's first moments which created the lightest elements, hydrogen and helium.
Thanks for sharing, Professor Erika Hamden!
#science #bigbang
Beavers are incredibly skilled tree fellers, and they rely on their keen hearing to detect whether a tree is starting to fall. When chewing through a tree, they often pause to listen for the characteristic cracking sounds that signal the tree is weakening. #science #sciencefacts #beavers #trees #treefelling #totesadorbs
Beavers are incredibly skilled tree fellers, and they rely on their keen hearing to detect whether a tree is starting to fall. When chewing through a tree, they often pause to listen for the characteristic cracking sounds that signal the tree is weakening.
#science #sciencefacts #beavers #trees
Liquid hydrogen and liquid oxygen are cryogenic propellants, meaning they are extremely cold, and of all rocket fuels liquid hydrogen is the coldest - reaching temperatures of -253°C (-423°F). #science #sciencefacts #rocketfuel #liquidhydrogen #cryogenicpropellants
Liquid hydrogen and liquid oxygen are cryogenic propellants, meaning they are extremely cold, and of all rocket fuels liquid hydrogen is the coldest - reaching temperatures of -253°C (-423°F).
#science #sciencefacts #rocketfuel #liquidhydrogen #cryogenicpropellants
Hammerhead sharks have 360-degree vision in the vertical plane! Thanks to their uniquely shaped, wide-set heads (called a cephalofoil), their eyes are positioned on either end, giving them an incredible range of sight. #science #sciencefacts #hammerhead #hammerheadshark #cephalofoil
Hammerhead sharks have 360-degree vision in the vertical plane! Thanks to their uniquely shaped, wide-set heads (called a cephalofoil), their eyes are positioned on either end, giving them an incredible range of sight.
#science #sciencefacts #hammerhead #hammerheadshark #cephalofoil
The National Air and Space Museum, part of the Smithsonian, displays a moon rock collected during the Apollo 17 mission. What makes it special? Visitors can touch it! #science #sciencefacts #smithsonian #apollo17 #moonrock
The National Air and Space Museum, part of the Smithsonian, displays a moon rock collected during the Apollo 17 mission. What makes it special? Visitors can touch it!
#science #sciencefacts #smithsonian #apollo17 #moonrock