Search Results for: Insects
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Life
How some beetles ‘drink’ water using their butts
Red flour beetles, a major agricultural pest, suck water out of the air using special cells in their rear ends, a new study suggests.
By Freda Kreier -
Life
Here’s how poison dart frogs safely hoard toxins in their skin
A protein found in frog bodies may help the amphibians collect and transport toxins from their food to their skin for chemical defense.
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Neuroscience
Scientists have mapped an insect brain in greater detail than ever before
Researchers have built a nerve cell “connectivity map” of a larval fruit fly brain. It’s the most complex whole brain wiring diagram yet made.
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Animals
Here’s how spiders that go overboard use light to find land
When elongate stilt spiders fall into water, they head for areas that don’t reflect light in the hope of finding dry land, experiments suggest.
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Life
76 percent of well-known insects fall outside protected areas
Protected areas can provide safe havens for insects, but many existing ones fall short, a new study finds.
By Freda Kreier -
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.
By Jake Buehler -
Paleontology
The oldest known pollen-carrying insects lived about 280 million years ago
Pollen stuck to fossils of earwig-like Tillyardembia pushes back the earliest record of potential insect pollinators by about 120 million years.
By Sid Perkins -
Life
Head lice hitched a ride on humans to the Americas at least twice
The genes of head lice record the story of their human hosts’ global voyages.
By Jake Buehler -
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.
By Jude Coleman -
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.
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Health & Medicine
Newfound immune cells are responsible for long-lasting allergies
A specialized type of immune cell appears primed to make the type of antibodies that lead to allergies, two research groups report.
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Ecosystems
How an invasive ant changed a lion’s dinner menu
An invasive ant is killing off ants that defend trees from elephants. With less cover, it’s harder for lions to hunt zebras, so they hunt buffalo instead.