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Like the lazy koala, the reason sloths go slow has a lot to do with what they eat.
Lasers create colorful light shows at concerts, are used by doctors in surgeries – and are used in scientific laboratories.
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Physicists can use bright, hot lasers to slow atoms down so much that they measure -459 degrees Fahrenheit.
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Scientists have worked out a new way to scan beneath the ground for footprints – and it’s revealing traces of an ancient world.
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Sloths love Cecropia trees. But a new study shows they may sometimes desert their favourite for other species.
: Alex McClelland, Bournemouth University
How we discovered ancient footprints of early human hunters and their megafauna prey.
Slow-moving, strategic sloths.
Suzi Eszterhas, www.suzieszterhas.com
Sloths have been moving slowly for 64m years.