Nest-building isn’t just instinct. Birds can learn from others, letting groups within one species develop their own distinctive nest-building traditions.
Scientists have found that spiderwebs can be used to capture environmental DNA, which reflects the animal population of an area. The technique may help track the biodiversity of an ecosystem.
Those insects you see flying in crazed circles are trying to keep their backs towards the light because they think that direction is up, new research suggests.
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By:
Nell Greenfieldboyce
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