Uncategorized
- Space
Scientists Say: Event horizon
Past this boundary, nothing that enters a black hole can ever leave — not even light.
- Microbes
Fuzzy microbes may fuel cows’ methane burps
Production of this potent greenhouse gas is triggered by a newfound feature of these microbes — one with a funny name: hydrogenobody.
- Physics
Trying to break a photon would create a quantum mess
Attempting to cut a light particle in half would spawn up to infinite new photons, a new model shows.
- Animals
Here’s how ‘singing’ mice belt out their tiny tunes
Balloon-like air sacs in the mice's throats create whistling songs. No other animal is known to make calls in this way.
- Earth
Earth’s crust under Africa is thinning in a way never seen before
Africa’s Turkana Rift Zone has been caught in the act of “necking" — a key point in breakup of continental crust.
- Agriculture
Scientists Say: Corn Sweat
Cornfields release moisture into the air — or “sweat” — a couple of ways. One is evaporation. The other is transpiration.
- Brain
VR can train the human brain to treat wings like real limbs
Virtual "flying" coaching, based on bird flight, took only a week. Afterward, participants’ brains seemed to view VR wings almost like true limbs.
- Animals
Giant school bus–sized octopuses may have once ruled the oceans
Some of these predators were as long as whales. Roaming the seas more than 72 million years ago, the octopuses appear to have been the largest invertebrates ever known.
- Animals
Mosquitoes may learn to like DEET, a common insect repellent
In lab tests, mosquitoes exposed to DEET while feeding learned to associate the chemical with food.
- Environment
Experiment: Remove microplastics from water with yeast
Learn how yeast can be used to remove microplastics from contaminated water with this experiment.
- Archaeology
Mystery solved: Why earthquakes haven’t wrecked Egypt’s Great Pyramid
Its materials, shape and internal design have helped this ancient wonder withstand strong shaking.
- Chemistry
Scientists Say: Fluoride
This electrically charged form of fluorine boasts powerful tooth-strengthening abilities.
