Ecosystems
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Paleontology
What male bias in the mammoth fossil record says about the animal’s social groups
Male woolly mammoths were more often caught in natural traps that preserved their remains, DNA evidence suggests.
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Animals
Here’s the real story on jellyfish taking over the world
In 'Spineless,' a former marine scientist reconnects with the seas and science through her obsession with these enigmatic creatures.
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Life
How bird feeders may be changing great tits’ beaks
Longer beaks may be evolving in U.K. great tits because of the widespread use of bird feeders in the country.
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Animals
This newfound hermit crab finds shelter in corals, not shells
A newly discovered hermit crab takes its cue from peanut worms and uses walking corals as a permanent shelter.
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Climate
Rising temperatures threaten heat-tolerant aardvarks
Aardvarks may get a roundabout hit from climate change — less food.
By Susan Milius -
Animals
Invasive earthworms may be taking a toll on sugar maples
Sugar maple trees in the Upper Great Lakes region are more likely to have dying branches when there are signs of an earthworm invasion, a new study finds.
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Animals
Why midsize animals are the fastest
New analysis delves into the mystery of why medium-sized animals are speedier than bigger ones.
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Animals
One creature’s meal is another’s pain in the butt
Kelp and dolphin gulls in Patagonia have found a new food source. But they accidentally injure fur seal pups to get it.
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Animals
Whales feast when hatcheries release salmon
Whales: “They’re 40 feet long and they’re feeding on fish that are the size of my finger.”
By Susan Milius -
Plants
How to eavesdrop on kelp
Sounds reverberating through a kelp bed can be linked to environmental factors, suggesting a low-key way to monitor undersea communities.
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Animals
Drowned wildebeests can feed a river ecosystem for years
Only a small percentage of wildebeests drown as they cross the Mara River, but they provide resources for the river ecosystem for years after their deaths.