Uncategorized
-
HumansLet’s learn about Neandertals
Neandertals are an extinct species closely related to modern humans. They made tools and jewelry, controlled fires and cared for their sick.
-
EnvironmentProtecting forests may help head off future pandemics
Hungry bats are more likely to shed harmful viruses to people or livestock when they spread out to hunt food. Conserving forests may limit this risk.
-
Materials ScienceScientists Say: Hydrogel
Tangled polymer chains help hydrogels hold their shape despite being full of water.
-
BrainThe pandemic prematurely aged teens’ brains
A small study showed certain structural changes that appeared three to four years early. Normally, premature aging of the brain is not a good sign.
By Freda Kreier -
ClimateEight ways you can cut your carbon footprint
Learn how you can limit the climate-warming gases associated with what you eat, the products you buy and the energy you use.
By Laura Allen -
ClimateThe world is aiming for ‘net zero’ emissions of greenhouse gases
Nations are charting how they might ‘zero’ out their releases of climate-warming gases. Success might greatly lower the risks of climate catastrophes.
-
AnimalsBumblebees go out of their way to play
Young bumblebees roll wooden balls and go out of their way to do so. This suggests they play like other animals do.
-
FossilsAn ancient ichthyosaur graveyard may have been a breeding ground
Some 230 million years ago, huge dolphin-like reptiles appear to have gathered to breed in safe waters, just as many whales do today.
-
HumansWhen it comes to dance, it’s all about the bass
During a concert, people danced more when they were bathed in sounds that were too low for their ears to hear.
-
AnimalsScientists Say: Metamorphosis
Animals that go through metamorphosis look very different as adults than they did as kids.
-
BrainSome screen time may aid kids’ recovery from concussions
A few hours a day on digital devices may actually aid recovery by connecting kids with friends and giving their brains some stimulation.
-
TechCan a robot ever become your friend?
Social robots can teach, help and keep people company. What would it take for machines to form real friendships with people? And do we even want that?