News
- Paleontology
‘Penis worms’ may have been the original hermits
Soft-bodied critters called penis worms inhabited abandoned shells — a la modern-day hermit crabs — by about 500 million years ago, a study suggests.
- Health & Medicine
How to choose a COVID-19 vaccine booster shot
To help you choose between the Pfizer, Moderna and Johnson & Johnson COVID-19 boosters, one reporter looked to the evidence and consulted experts.
- Earth
Earth’s lower atmosphere is rising due to climate change
In the Northern Hemisphere, the upper boundary of the troposphere, the slice of sky closest to the ground, rose 50 to 60 meters a decade from 1980 to 2020.
