Uncategorized
- Health & Medicine
As 2020 comes to an end, here’s what we still don’t know about COVID-19
After making fast progress understanding COVID-19, researchers are still in search of answers.
- Archaeology
Ancient people may have survived desert droughts by melting ice in lava tubes
Bands of charcoal from fires lit long ago, found in an ice core from a New Mexico cave, correspond to five periods of drought over 800 years.
- Health & Medicine
Here’s what you need to know about the COVID-19 vaccines
There are still important unknowns about how Pfizer’s vaccine and others will work once they get injected in people around the world.
- Space
Hayabusa2’s asteroid dirt may hold clues to the early solar system
“We collected the treasure box,” a Japanese space scientist announced after a capsule holding samples from asteroid Ryugu safely landed on Earth.
- Animals
Giant pandas may roll in horse poop to feel warm
By coating themselves in fresh horse manure, wild giant pandas may be seeking a chemical in the poop that inhibits a cold-sensing protein.
- Earth
An enormous supervolcano may be hiding under Alaskan islands
A geologic game of connect the dots reveals hints that Mount Cleveland, the Aleutians’ most active volcano, may sit on a giant undersea crater.
- Space
Here are 10 of Arecibo’s coolest achievements
The now-defunct Arecibo radio telescope in Puerto Rico made myriad discoveries over its 57-year run, including of pulsar planets and ice on Mercury.
- Space
Why losing Arecibo is a big deal for astronomy
The radio telescope at the Arecibo Observatory has collapsed, robbing scientists of a special tool for studying everything from asteroids to galaxies.
- Planetary Science
50 years ago, scientists caught their first glimpse of amino acids from outer space
In 1970, scientists detected amino acids in a meteorite. Fifty years later, a variety of chemical ingredients for life have been found in other space rocks.
- Archaeology
Two stones fuel debate over when America’s first settlers arrived
Stones possibly used to break mastodon bones 130,000 years ago in what is now California get fresh scrutiny.
- Quantum Physics
The new light-based quantum computer Jiuzhang has achieved quantum supremacy
A second type of quantum computer has now performed a calculation impossible for a traditional computer.
- Humans
Ancient humans may have deliberately voyaged to Japan’s Ryukyu Islands
Satellite-tracked buoys suggest that long ago, a remote Japanese archipelago was reached by explorers on purpose, not accidentally.
