News
- Archaeology
Arctic hunter-gatherers were advanced ironworkers more than 2,000 years ago
Swedish excavations uncover furnaces and fire pits from a big metal operation run by a small-scale society, a new study finds.
- Climate
Africa’s ‘Great Green Wall’ could have far-reaching climate effects
The “Great Green Wall,” a tree-planting project to stop desertification in northern Africa, could alter climate patterns in the region and beyond.
- Planetary Science
Enceladus’ plumes might not come from an underground ocean
The celebrated plumes of Saturn’s moon Enceladus could come from pockets of watery mush in the moon’s icy shell, simulations suggest.
- Animals
A 1,306-legged millipede is the first to live up to its name
Scientists have discovered the first true millipede, an elongated, threadlike creature with a whopping 1,306 legs.
- Health & Medicine
The omicron variant is surging. Here’s what we’ve learned so far
Omicron is better at evading virus-attacking antibodies than previous coronavirus variants, but there are signs booster shots might help curb symptoms.
- Climate
Vikings may have fled Greenland to escape rising seas
Vikings abandoned Greenland in the 15th century. Lower temperatures, an expanding ice sheet and rising sea levels may have played a role in their departure.
- Health & Medicine
COVID-19 testing is complicated right now. Here are answers to 6 big questions
There are two major categories of COVID-19 diagnostic tests. Here’s what you need to know when deciding whether to take an at-home test or head to the doctor.
- Health & Medicine
The CDC recommends mRNA COVID-19 vaccines over J&J’s, citing fewer risks
Pfizer’s and Moderna's vaccines are more effective and cause fewer serious side effects than Johnson & Johnson’s jab, new data show.
- Life
A terrifying robot can thwart invasive mosquito fish
A robot designed to mimic a natural predator of mosquito fish can impair the survival and reproduction of this costly invasive species.
- Climate
How a warming climate may make winter tornadoes stronger
A climate simulation suggests that higher winter temperatures could make twisters more powerful.
- Astronomy
The Parker Solar Probe is the first spacecraft to visit the sun’s atmosphere
NASA’s Parker Solar Probe crossed a boundary between the sun’s atmosphere and interplanetary space that has been predicted for decades but never observed.
- Archaeology
Neandertals were the first hominids to turn forest into grassland 125,000 years ago
Neandertals’ campfires, hunting and other activities altered the land over 2,000 years, making them the first known hominids to impact their environs.
