Top Tweets for #ScienceWord
There's something in the water. That's what makes it freeze!
Truly pure water won't freeze till it cools to as low as -50 F. Why? Water molecules need particles to build ice-making crystals.
The best ice-nucleating particles are from bacteria, fungi—even insects.
#ScienceWord
It's #ValentinesDay! 💕The annual reminder that our brains are hardwired to form intimate relationships.
Oops. Have we ruined the romance? Think of it as neuroscience explaining why we crave happy pairings. So, bring on the cards, flowers and chocolate! 💐
#ScienceWord
Say a futuristic physicist entangles the spins of two particles. 🔴🔴 Then she sends one particle to another galaxy. Despite the great distance, those particles will stay correlated!
Bizarre (even Einstein thought so), but real.
#ScienceWord
https://t.co/51PFIVRPSD
It's not a spiral galaxy, like our Milky Way, or an elliptical, but something in between.
These galaxies are flat with a central bulge and no arms. They get their name from their lens-like appearance.
#ScienceWord
https://t.co/YTWKBRGjQS
Inca deity? Sports team? Cool nickname?
Actually, it's a parhelion, aka "mock sun." ☀ Ice crystals in the atmosphere refract sunlight and cause bright patches to appear on either side of the sun. Two sundogs flanking the sun can even resemble a halo.
#ScienceWord
These mighty mites are semiconducting nanocrystals energized by light. Potential uses are huge: quantum computing, advanced lasers, solar cells, medical imaging, display screens & more.
QD technology research even earned a 2023 Nobel Prize!
https://t.co/AqOmwUIjDL
#ScienceWord
Otherwise known as 3D printing!
It’s the process of building a shape from the ground up, one layer of material at a time. NIST researchers create objects by scanning lasers over layers of powder, baths of resin and more.
See more with @NSF’s posts using #ScienceWord!
These unique fish found in Antarctica's Southern Ocean have ice ❄ in their veins.
Sort of.
They're the only vertebrates known to lack hemoglobin in their blood as adults. This makes their blood colorless!
https://t.co/NPstUnXUJM
#ScienceWord
These elusive amphibians look like a cross between a worm and a snake. 🐍 Little is known about these underground critters, although we do know that their babies use their little teeth to feed on their mother's fatty skin tissue.
Um... yum?
#ScienceWord
https://t.co/Bh3fKylbjC
Billions of neutrinos just flew through your body. And you didn't feel a thing!
These nearly massless particles are created by violent cosmic events like exploding stars. Yet they're so hard to detect they've been called "ghost particles."
#ScienceWord
https://t.co/9fPDggjQcZ
Wait. Did you feel that?
That was the north pole tilting its farthest from the sun this year. That makes tomorrow, the #wintersolstice, the shortest day & longest night of the year for the Northern Hemisphere.
Don’t worry – the summer solstice returns in 6 months!
#ScienceWord
These get at the heart and ancient history of an ice sheet or mountain glacier. 🏔
They're drilled by hand augers or power drills that can punch miles deep to retrieve ice samples that reveal climate change over millennia – and can help forecast future change, too.
#ScienceWord
We’re not talking about power cables or bank transactions.
Electronics manufacturers etch trenches in elaborate designs onto microchips and fill them with metal. Wires are the horizontal metal-filled lines (vias are vertical ones).
See more with @NSF’s posts using #ScienceWord!
Plants 🌺 that grow on plants! 🌳
Not as parasites, but as ... companions. Think orchids, mosses and ferns.
These communities of plants aren't just pretty – they're crucial to Earth's biodiversity and healthy forests worldwide.
#ScienceWord
A symbiotic partnership of fungus & alga found in all types of ecosystems & a key food source - even in the Arctic, where it's eaten by wildlife like caribou & reindeer.
Some lichen are even ... "magical." Which begs the question: Is this how Santa's reindeer fly?
#ScienceWord
The collective glow of innumerable stars ✨ stripped from their home galaxies and left to wander the vast intergalactic space.
This ghostly glow is incredibly faint and difficult to detect but offers clues to the evolution of the universe.
#ScienceWord
Producing patterns on a material by etching into or building onto its surface. Scientists use beams of light or electrons as their carving tools for microelectronic designs.
See more with @NSF’s posts using #ScienceWord!
Literally, "time giver" in German. It's an environmental cue that helps regulate biological clocks. ⏲
The most important zeitgeber? The sun! It rises, sets and syncs our sleep patterns with the Earth.
(Hmm. Does that make Daylight Saving Time a zeitrauber?)
#ScienceWord
Vibrations in the ear become Mozart 🎵 to the brain. Pumping iron builds muscle. 💪
These are examples of mechanobiology — the study of how the mechanical environment affects biological systems, from molecules to organs to whole organisms.
#ScienceWord
For one thing, it's why your cellphone vibrates! 📱
Haptics are touch-based stimuli that substitute for visual or sound cues. Today, the tech is used for gaming, trackpads, wearable wellness devices, etc.
And tomorrow: holograms & "Star Trek" holodecks? Make it so!
#ScienceWord
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