Animals
Some penguins save energy by riding ocean currents
When navigating home, Magellanic penguins alternate between heading straight back in calm waters and swimming with the flow in strong ocean currents.
Life
We summarize the week's scientific breakthroughs every Thursday.
More Stories in Life
- Paleontology
How an ancient marine predator snuck up on its prey
Serrations at the edges of a fossilized flipper of the ancient marine reptile Temnodontosaurussuggests it may have been able to swim silently.
- Health & Medicine
Protein signatures may one day tell brain diseases apart before symptoms
Blood tests could pave the way for distinguishing between Alzheimer’s, Parkinson’s and some dementias, aiding early treatment for brain diseases.
- Paleontology
How fast did dinosaurs really go? Birds walking in mud provide new clues
Tracks of dinosaur footprints can hint at how fast the extinct animals moved. Here’s how guinea fowl can help fact-check those assumptions.
- Chemistry
Gut microbes may flush ‘forever chemicals’ from the body
Experiments in mice show that some gut bacteria can absorb toxic PFAS chemicals, allowing animals to expel them through feces.
- Animals
Greenland sled dog DNA is a window into the Arctic’s archaeological past
A genomic analysis of Greenland’s Qimmeq dogs suggest they and their human partners arrived on the island centuries earlier than previously thought.
- Climate
Trees can’t get up and walk away, but forests can
In fantasy worlds, trees like the Lord of the Rings’ Ents are agile and mobile. In the real world, they’re slow.
- Animals
As bird flu evolves, keeping it out of farm flocks is getting harder
New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.
- Oceans
Deep-sea mining could start soon — before we understand its risks
The U.S. push to mine international waters for metals defies global efforts to control and protect these fragile ecosystems.
- Life
Why these zombie caterpillars can’t stop eating
Sneaky chemistry by a real-life “Last of Us” Cordyceps fungus mind controls its zombie insect victims by convincing them they’re starving.
