News
- Health & Medicine
More than 1 billion people worldwide are now estimated to have obesity
A new analysis suggests that the prevalence of obesity has doubled in women, tripled in men and quadrupled in children and adolescents from 1990 to 2022.
- Climate
Waterlogged soils can give hurricanes new life after they arrive on land
New studies show that the long-hypothesized “brown ocean effect” is real, helping to refuel 2018’s Hurricane Florence and other storms after landfall.
- Planetary Science
Odysseus’ historic moon mission comes to an end
Odysseus downloaded data from all payloads before going to sleep February 28. The cold lunar night proved fatal to efforts to reawaken the lunar lander.
- Genetics
A genetic parasite may explain why humans and other apes lack tails
Around 25 million years ago, a stretch of DNA inserted itself into an ancestral ape’s genome, an event that might have taken our tails away.
- Animals
The Brazilian flea toad may be the world’s smallest vertebrate
Brazilian flea toads are neither a flea nor a toad, but they are almost flea-sized. The frogs are small enough to fit on a pinkie fingernail.
- Health & Medicine
Snake venom toxins can be neutralized by a new synthetic antibody
A lab-made protein protected mice from lethal doses of paralyzing toxins found in a variety of snakes, a new study reports.
- Plants
On hot summer days, this thistle is somehow cool to the touch
In hot Spanish summers, the thistle Carlina corymbosa is somehow able to cool itself substantially below air temperature.
- Plants
Ancient trees’ gnarled, twisted shapes provide irreplaceable habitats
Traits that help trees live for hundreds of years also foster forest life, one reason why old growth forest conservation is crucial.
- Astronomy
JWST spies hints of a neutron star left behind by supernova 1987A
Signs of highly ionized atoms in dusty clouds at SN 1987A’s explosion site suggest a powerful source of X-rays — likely a neutron star — lurks within.
- Space
The first U.S. lunar lander since 1972 touches down on the moon
Odysseus, the first spacecraft to land on the moon since NASA’s Apollo 17, ended up tipped on its side but it appears to be operating OK.
- Health & Medicine
The United States was on course to eliminate syphilis. Now it’s surging
Science News spoke with expert Allison Agwu about what’s driving the surge and how we can better prevent the disease.
- Physics
Physicist Sekazi Mtingwa considers himself an apostle of science
After big contributions in accelerator physics, Sekazi Mtingwa has been focused on opening science for everyone.
