Animals
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Animals
When and why did masturbation evolve in primates? A new study provides clues
In a first-of-its-kind comparative study, researchers show that primates were masturbating 40 million years ago and that the behavior may help males keep their sperm fresh.
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Life
A gene therapy shot might keep cats from getting pregnant without being spayed
Even after mating with fertile males, females given the cat contraceptive, which targets an ovulation-preventing hormone, did not get pregnant.
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Ecosystems
Marjorie Weber explores plant-protecting ants and other wonders of evolution
Cooperation across the tree of life is an understudied driver of evolution and biodiversity, Marjorie Weber says.
By Meghan Rosen -
Life
Air pollution monitoring may accidentally help scientists track biodiversity
Filters in air monitoring facilities inadvertently capture environmental DNA, which could give scientists a new tool to track local plants and animals.
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Animals
These ants build tall nest hills to help show the way home
Desert ants living in the harsh, flat salt pans of Tunisia create towering anthills to aid with navigating the near-featureless terrain.
By Soumya Sagar -
Animals
How a new Lyme vaccine for mice may protect people
A vaccine, distributed as pellets, can neutralize Lyme-causing bacteria in wildlife. Scientists hope it will reduce Lyme exposure for people and pets.
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Life
5,000 deep-sea animals new to science turned up in ocean records
Scientists compiled a list of animals unknown to science that live in a deep-sea Pacific Ocean ecosystem targeted for mining exploration.
By Jude Coleman -
Life
Spiny mice have armadillo-like armor in their tails
CT scans revealed the bony plates in the rodents’ tails. The hidden armor may protect against attacking predators or other spiny mice.
By Jake Buehler -
Animals
Octopuses and squid are masters of RNA editing while leaving DNA intact
Modifications to RNA could explain the intelligence and flexibility of shell-less cephalopods.
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Life
Large predators push coyotes and bobcats near people and to their demise
Coyotes and bobcats hide near people when wolves, cougars and other large predators are close-by, putting the smaller carnivores at a higher risk of dying at human hands.
By Freda Kreier -
Animals
The Sonoran Desert toad can alter your mind — it’s not the only animal
Their psychedelic and other potentially mind-bending compounds didn't evolve to give people a trip.
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Animals
Why some hammerhead sharks seem to ‘hold their breath’ during dives
Scalloped hammerhead sharks in Hawaii seem to limit the use of their gills during deep dives to prevent losing heat to their surroundings.
By Freda Kreier