News
- Anthropology
Bolivia’s Tsimane people’s average body temperature fell half a degree in 16 years
A new study echoes other research suggesting that people’s average body temperature is lower today than it used to be.
By Sujata Gupta - Planetary Science
Chemical reactions high in Mars’ atmosphere rip apart water molecules
Mars is so dry because its water constant escapes into space. A new study suggests this process occurs in the ionosphere and faster than thought.
- Earth
STEVE may be even less like typical auroras than scientists thought
The purple-and-green, atmospheric light show nicknamed STEVE just got even stranger.
- Climate
Once hurricanes make landfall, they’re lingering longer and staying stronger
Warmer ocean waters due to human-caused climate change can help power hurricanes’ fury even after they roar ashore.
- Health & Medicine
Protecting the brain from infection may start with a gut reaction
In mice, immune cells in the meninges are trained to battle infections in the gut before migrating to the brain.
- Health & Medicine
Coronavirus cases are skyrocketing. Here’s what it will take to gain control
Basic public health measures can still curb COVID-19, if everyone does their part.
By Jonathan Lambert and Tina Hesman Saey - Earth
With Theta, 2020 sets the record for most named Atlantic storms
Climate change is expected to fuel fewer — yet more intense — Atlantic storms. With a whopping 29 storms but few strong ones, 2020 may be an outlier.
- Chemistry
A new portable device can reveal a chili pepper’s heat
The “Chilica-pod” measures levels of the fiery capsaicin compound in peppers.
- Health & Medicine
Pfizer’s COVID-19 vaccine is 90% effective, preliminary trial data show
An analysis of 94 COVID-19 cases shows that the mRNA-based vaccine can protect people from getting sick, though the trial is ongoing.
- Space
Jupiter’s icy moon Europa may glow in the dark
Europa’s potential “ice glow” could help scientists map the chemical composition of its surface — and the ocean underneath.
- Genetics
Penicillin allergies may be linked to one immune system gene
Researchers have located a shared hot spot — on the HLA-B gene — in the immune system in people who say they have penicillin allergies.
- Neuroscience
FDA advisory panel declines to support a controversial Alzheimer’s treatment
The fate of an Alzheimer’s drug, developed by pharmaceutical company Biogen, remains up in the air.