A trash compactor rolls over an active dump site at Pioneer Crossing Landfill in Birdsboro, Pa.
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We live in a world where we frequently do not get enough sleep, but we need sleep if our brains are going to stay healthy and function efficiently.
This is the famous – and fake – photograph of the Loch Ness monster, taken near Inverness, Scotland, on April 19, 1934. The photograph was later revealed to be a hoax.
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Fossil evidence of how the earliest life on Earth came to be is hard to come by. But scientists have come up with a few theories based on the microbes, viruses and prions existing today.
Starting at the surface, you would have to dig nearly 2,000 miles before reaching the Earth’s core. No one could survive that trip – and the 10,000-degree F heat once there would vaporize you anyway.
3D visualisation of gravitational waves produced by two orbiting black holes.
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