News
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LifeA parasite makes wolves more likely to become pack leaders
In Yellowstone National Park, gray wolves infected with Toxoplasma gondii make riskier decisions, making them more likely to split off from the pack.
By Jake Buehler -
AnimalsA natural gene drive could steer invasive rodents on islands to extinction
A few genetic tweaks to a readily passed-on chunk of DNA could sterilize a mouse population, eliminating them in as little as 25 years.
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AnthropologyHomo naledi may have lit fires in underground caves at least 236,000 years ago
Homo naledi may have joined the group of ancient hominids who built controlled fires, presumably for light or warmth, new finds hint.