Search Results for: Butterflies
Skip to results
1,040 results
1,040 results for: Butterflies
- Animals
Big monarch caterpillars don’t avoid toxic milkweed goo. They binge on it
Instead of nipping milkweed to drain the plants’ defensive sap, older monarch caterpillars may seek the toxic sap. Lab larvae guzzled it from a pipette.
- Animals
Migratory fish species are in drastic decline, a new UN report details
The most comprehensive tally of how migrating animals are faring looks at more than 1,000 land and aquatic species and aims to find ways to protect them.
- Life
The inside of a rat’s eye won the 2023 Nikon Small World photo contest
The annual competition puts the spotlight on science and nature in all its smallest glory.
- Life
The Endangered Species Act is turning 50. Has it succeeded?
After 50 years, this landmark law has kept many species alive — but few wild populations have recovered enough to come off the “endangered” list.
- Life
Flowers pollinated by honeybees make lower-quality seeds
Honeybees are one of the most common pollinators. But their flower-visiting habits make it harder for some plants to produce good seeds.
- Animals
The last leg of the longest butterfly migration has now been identified
After a long journey across the Sahara, painted lady butterflies from Europe set up camp in central Africa to wait out winter and breed.
-
The animal kingdom never ceases to amaze
Editor in chief Nancy Shute revels in the wonder of animals, from psychedelic toads to extinct pterosaurs.
- Neuroscience
In mice, anxiety isn’t all in the head. It can start in the heart
Scientists used optogenetics to raise the heartbeat of a mouse, making it anxious. The finding could offer a new angle for studying anxiety disorders.
- Climate
Climate ‘teleconnections’ may link droughts and fires across continents
Far-reaching climate patterns like the El Niño-Southern Oscillation may synchronize droughts and regulate scorching of much of Earth’s burned area.
- Science & Society
Here are 7 new science museums and exhibitions to visit in 2023
The Grand Egyptian Museum is slated to open, as well as new exhibitions dedicated to space travel, the Galápagos Islands and more.
- Science & Society
Here are the Top 10 threats to the survival of civilization
These aren’t just movie scenarios. From aliens and asteroids to pandemics, war and climate change, civilization as we know it is at risk.
- Planetary Science
Saturn’s rings and tilt might have come from one missing moon
The hypothetical moon, dubbed Chrysalis, could have helped tip the planet over before getting shredded to form the rings, researchers suggest.
