Life
- Life
Self-destructing mitochondria may leave some brain cells vulnerable to ALS
Mitochondria that appear to dismantle themselves in certain brain cells may be a first step toward ALS, a mouse study suggests.
- Neuroscience
People who lack olfactory bulbs shouldn’t be able to smell. But some women can
Some women who appear to lack the brain structures that relay scent messages still have an average sense of smell, and scientists have no idea how.
- Ecosystems
Can forensics help keep endangered rosewood off the black market?
Timber traffickers are plundering the world’s forests, but conservationists have a new set of tools to fight deforestation.
- Animals
Apple TV+’s ‘The Elephant Queen’ shies away from hard truths
The Elephant Queen offers an intimate look into the lives of elephants, but the documentary largely avoids threats the animals face.
- Neuroscience
Sleep may trigger rhythmic power washing in the brain
Strong, rhythmic waves of cerebrospinal fluid wash into the human brain during sleep and may help clean out harmful proteins.
- Life
Vampire bat friendships endure from captivity to the wild
Vampire bats can form social bonds that persist from a lab setting to the outdoors, suggesting the cooperative relationships are like friendships.
- Animals
Spider webs don’t rot easily and scientists may have figured out why
Spider silk doesn’t rot quickly because bacteria can’t access its nitrogen, a nutrient needed for the microbes’ growth, scientists say.
- Life
Saharan silver ants are the world’s fastest despite relatively short legs
Saharan silver ants can hit speeds of 108 times their body length per second.
- Humans
Humans’ maternal ancestors may have arisen 200,000 years ago in southern Africa
New DNA findings on humankind’s maternal roots don’t offer a complete picture of how and when Homo sapiens emerged.
- Life
Bird eggs laid in cold climates are darker, which may keep eggs warm
A global survey of bird egg color reveals a simple trend: the colder the climate, the darker the egg.
- Animals
Congolese giant toads may mimic venomous snakes to trick predators
If Congolese giant toads mimic venomous Gaboon vipers, it would be the first reported case of a toad imitating a snake.
- Life
Remarkable fossils capture mammals’ recovery after the dino-killing asteroid
A fossil-rich site in Colorado is revealing how mammals rebounded and flourished after an asteroid strike 66 million years ago.
