Uncategorized
- Animals
One hummingbird survives cold nights by nearly freezing stiff
To survive a freezing night, hummingbirds in the Andes mountains go very still, slow their heart rate and let their body temperature plummet.
- Brain
Scientists Say: Narcotic
Scientists refer to a narcotic as a drug that stops pain, but the word can be used in other ways as well.
- Genetics
Gene editing can alter body fat and may fight diabetes
Researchers have long dreamed of using brown fat to fight obesity and diabetes. Work in animals shows they’re closing in on achieving that dream.
- Health & Medicine
Surviving Mars missions will take planning and lots of innovation
Astronauts that go to Mars will need protection from microgravity and radiation, plus mini-medical devices to diagnose problems and manage emergencies.
- Environment
Batteries not included: This Game Boy look-alike doesn’t need them
Game Boy revolutionized the gaming industry. A newer version could help slow the rate of climate change.
- Agriculture
Student scientists work to help all of us survive a warmer world
From glaciers in the refrigerator to a rover in the field, here’s how young scientists are looking to help us adapt to climate change.
- Climate
The faster trees grow, the younger they die
As climate change spurs forest tree growth, it also shortens trees’ lives. That results in a quicker release of climate-warming carbon back into the atmosphere.
- Genetics
Some Neandertal genes may up the risk of severe COVID-19
Most of the affected people descend from communities in South Asia or live in Europe today.
- Physics
Scientists Say: Gravity
Gravity is a fundamental force that attracts objects with mass to other objects with mass. It decreases with distance.
- Physics
Trees power this alarm system for remote forest fires
Wind moving through tree branches is all the energy needed to power devices that can detect a remote fire before it rages into an uncontrolled inferno.
- Animals
Whales get a second life as deep-sea buffets
When a whale dies and sinks to the seafloor, it becomes a feast for hundreds of different types of creatures.
- Humans
You should guess answers to your homework before searching online
Over a span of 11 years, an increasing share of students performed more poorly on exams than on their homework. Online homework help may explain why.
