6,899 results
6,899 results for: Bears
- Physics
CO2 from champagne bottles can form shock waves like those seen in rocket exhaust
Popping a bottle of bubbly releases a plume of dry ice that bears a visible type of shock wave called a Mach disk.
- Space
How the second known interstellar visitor makes ‘Oumuamua seem even odder
With its gaseous halo and tail, the second discovered interstellar object, 2I/Borisov, looks basically like your run-of-the-mill solar system comet.
- Health & Medicine
For people with HIV, undetectable virus means untransmittable disease
HIV outreach and care in Washington, D.C., reveals the struggles and successes of getting drugs into the hands of those who need them.
- Climate
In a climate crisis, is geoengineering worth the risks?
Some scientists say the world needs to reconsider some human-made ideas to cool the climate as dire warnings about the looming crisis ramp up.
- Humans
A historic opioid trial highlights what we know about the deadly drugs
An Oklahoma judge finds that Johnson & Johnson must pay $572 million to the state for the company’s role in the epidemic.
- Earth
Fluid in superdeep diamonds may be from some of Earth’s oldest unchanged material
Primordial rock deep in the mantle and dating to just after Earth’s formation could yield insights about the planet’s formation and evolution
- Health & Medicine
Toddlers tend to opt for the last thing in a set, so craft your questions carefully
Two-year-olds demonstrate a verbal quirk that makes their answers less reliable.
- Earth
3 questions seismologists are asking after the California earthquakes
After back-to-back quakes, scientists are scrambling to figure out which faults ruptured and what it means for future California quake activity.
- Paleontology
A flexible bone that helps mammals chew dates back to the Jurassic Period
A flexible bone that helps with chewing may have helped give rise to the Age of Mammals, a new fossil shows.
- Anthropology
A Greek skull may belong to the oldest human found outside of Africa
Humans possibly reached southeastern Europe by 210,000 years ago.
- Paleontology
Signs of the color blue have been found in a fossil for the first time
Scientists think they’ve spotted hints of blue plumage in a fossilized bird from 48 million years ago.
- Chemistry
Carbon plays a starring role in the new book ‘Symphony in C’
In Symphony in C, geophysicist Robert Hazen explores carbon’s ancient origins, its role in life and its importance in the modern world.
