News
- Health & Medicine
Immunity to COVID-19 may persist six months or more
Even after recovery, the body continues to improve its antibody response to the coronavirus — perhaps thanks to viral bits hiding in the intestine.
- Health & Medicine
Oxford and AstraZeneca say their COVID-19 vaccine works too
A third major vaccine, which may be easier to distribute than others, appears to prevent disease and maybe transmission of the coronavirus.
- Neuroscience
Lonely brains crave people like hungry brains crave food
After hours of isolation, dopamine-producing cells in the brain fire up in response to pictures of humans, showing our social side runs deep.
- Physics
Newton’s groundbreaking Principia may have been more popular than previously thought
A search has uncovered over 300 copies of Isaac Newton’s famous 17th century book, the Principia, revealing a broader readership than assumed.
- Archaeology
The biblical warrior Goliath may not have been so giant after all
Archaeological finds suggest the width of the walls of Goliath’s home city were used to metaphorically represent the Old Testament figure’s height.
- Health & Medicine
Here’s why COVID-19 vaccines like Pfizer’s need to be kept so cold
Both Pfizer and Moderna built their vaccines on RNA. Freezing them keeps their fragile components from breaking down.
- Plants
These plants seem like they’re trying to hide from people
A plant used in traditional Chinese medicine has evolved remarkable camouflage in areas with intense harvesting pressure, a study suggests.
- Environment
Plastics are showing up in the world’s most remote places, including Mount Everest
From the snow on Mount Everest to the guts of critters in the Mariana Trench, tiny fragments called microplastics are almost everywhere.
- Astronomy
Arecibo Observatory, an ‘icon of Puerto Rican science,’ will be demolished
The telescope, known for cameos in moves like Contact and for fast radio burst observations, was feared to be on the verge of collapse.
- Physics
Supercooled water has been caught morphing between two forms
A new experiment used ultrafast techniques to reveal high-density water transforming into low-density water at subfreezing temperatures.
- Life
Monarch caterpillars head-butt each other to fight for scarce food
Video experiments show that monarch caterpillars turn aggressive when there’s not enough milkweed to go around.
- Animals
Guttural toads shrank by a third after just 100 years on two islands
Introduced in the 1920s, toads on two islands in the Indian Ocean have shrunken limbs and bodies that may be evidence that "island dwarfism" can evolve quickly.
