Uncategorized
- Earth
A 2.2-billion-year-old crater is Earth’s oldest recorded meteorite impact
The newly dated Yarrabubba crater in Western Australia extends Earth’s impact record by more than 200 million years.
- Space
Phosphorus, a key ingredient of life, has been found in a newborn star system
Astrochemists map phosphorus-bearing molecules in a star-forming cloud, giving clues to how this vital element may have arrived on Earth.
- Life
How bacteria create flower art
Different types of microbes growing in lab dishes can push each other to make floral patterns.
- Planetary Science
For the first time, an asteroid has been found nearer to the sun than Venus
A space rock dubbed 2020 AV2, found in close orbit around the sun, probably got there after a series of close encounters with rocky planets.
- Chemistry
A dance of two atoms reveals chemical bonds forming and breaking
Two rhenium atoms approach and retreat from one another in an electron microscope video.
- Health & Medicine
Hairy cells in the nose called brush cells may be involved in causing allergies
Some hairy cells in the nose may trigger sneezing and allergies to dust mites, mold and other substances, new work with mice suggests.
- Health & Medicine
Exploding cancer cells can cause serious side effects in CAR-T cell therapies
Blocking a protein caused cancer cells targeted with CAR-T cell immunotherapy to shrink rather than burst, which may help reduce inflammation.
- Animals
A naturalist writes an homage to bird migration
In ‘A Season on the Wind,’ Kenn Kaufman shares his lifelong obsession for and awe of spring bird migration.
- Life
‘PigeonBot’ is the first robot that can bend its wings like a real bird
Insights into the joint movements and feather surface structures that help birds control their wing shape could help robotic flyers move more deftly.
- Earth
Volcanic gas bursts probably didn’t kill off the dinosaurs
A new timeline for massive bursts of volcanic gases suggests the Deccan Traps eruptions weren’t the real dinosaur killer 66 million years ago.
- Space
The sterile moon may still hold hints of how life began on Earth
50 years ago, scientists found no signs of life on the moon. Today, lunar mission regulations may be relaxed in light of that fact.
- Health & Medicine
A new drug lowers levels of a protein related to ‘bad’ cholesterol
The next clinical trial will determine if a drug targeting a protein that carries fat and cholesterol reduces the risk of heart attack and stroke.
