Earth
A weaker magnetic field may have paved the way for marine life to go big
Decreased protection from cosmic radiation may have increased oxygen levels in the atmosphere and oceans, allowing animals to grow larger.
Life
More Stories in Life
- Neuroscience
Lampreys have ‘fight or flight’ cells, challenging ideas about nervous system evolution
The discovery of sympathetic nervous system cells in lampreys draws a closer tie between the animal and complex vertebrates — such as humans.
- Animals
Want to see butterflies in your backyard? Try doing less yardwork
Growing out patches of grass can lure adult butterflies and moths with nectar and offer lawn mower–free havens for toddler caterpillars.
- Animals
This orangutan used a medicinal plant on his face wound
Rakus the orangutan appeared to be treating a cut to his face with a plant that’s also used in traditional human medicine.
- Animals
Belugas may communicate by warping a blob of forehead fat
Jiggling the “melon” like Jell-O seems to be associated with sexual behaviors, scientists say.
- Environment
A new approach to fighting wildfires combines local knowledge and AI
Land managers in the western United States are using potential operational delineations, or PODS, to prepare for — and take advantage of — wildfires.
- Animals
Ximena Velez-Liendo is saving Andean bears with honey
By training beekeepers, biologist Ximena Velez-Liendo is helping rural agricultural communities of southern Bolivia coexist with Andean bears.
- Health & Medicine
Traces of bird flu are showing up in cow milk. Here’s what to know
We asked the experts: Should people be worried? Pasteurization and the H5N1 virus’s route to infection suggests risks to people remains low.
- Ecosystems
Noise pollution can harm birds even before they hatch
Exposing zebra finch eggs and hatchlings to traffic sounds had lifelong health impacts, raising concerns about increased anthropogenic noise.
- Neuroscience
Rat cells grew in mice brains, and helped sniff out cookies
When implanted into mouse embryos, stem cells from rats grew into forebrains and structures that handle smells.
