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Body parts grown in the labIn recent years, scientists have successfully grown a range of miniature organs and human body parts in the lab.
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12 strange reasons humans haven't found alien life yetScientists have been searching for evidence of extraterrestrial life for decades. So, where are all the aliens? Here are 12 intriguing theories ...
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From 'Lucy' to the 'Hobbits': The most famous fossils of human relativesCountdown Lucy may be the best-known prehuman fossil in the world. But other famous fossils have given us important insight into our evolutionary history.
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7 centuries-old suits of battle armor from around the worldCountdown From Roman "fish scale" armor to Japanese samurai suits, these examples of battle armor were designed to protect and impress.
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The 9 most massive numbers in existenceFrom the humble trillion to Graham's number, here are some of the most massive numbers ever conceived by humans.
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32 physics experiments that changed the worldFrom the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics experiments that changed the world.
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32 things on Mars that look like they shouldn't be thereThe more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface. Here are some of the most baffling.
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32 alien planets that really existBeyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far.
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32 weird ways to fight climate change that just might workFrom "MooLoos" to painting mountains, these silly scientific suggestions could actually help with climate change.
