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When were boats invented?The oldest physical boat is a canoe from roughly 10,000 years ago, but evidence suggests humans have been using watercraft for at least 50,000 years.
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Why do European cities have milder winters than those in North America, despite being at the same latitude?London is at the same latitude as Calgary, Alberta. So why is the Canadian city about 15 degrees Fahrenheit (8.3 degrees Celsius) cooler in January?
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What happened to the asteroid that killed the dinosaurs?A killer asteroid slammed into Earth at 27,000 mph around 66 million years ago. Where is it now?
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Birds have been nesting in the Arctic Circle for almost 73 million years, newly discovered fossils revealA major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds learned to either adapt to the harsh Arctic winter, or migrate south during the Mesozoic — the age of dinosaurs.
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Almost 2 billion people could see a change in rain patterns if the planet continues to warmHigher global temperatures mean the intertropical convergence zone could shift south — throwing off precipitation trends for a major swath of humanity, according to new research.
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Scientists find the best crops to grow during the apocalypseSugar beets and spinach are the best vegetables to grow if you live in a temperate, midsize city during a nuclear winter, a new study suggests, while wheat and carrots are recommended for industrial production on the outskirts of town.
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Bone collector caterpillar: The very hungry caterpillar of your nightmaresBone collectors feast on dead and dying critters caught in a spider's web and then decorate themselves with the legs, wings and heads of their victims to avoid detection by their spider hosts.
