There are a lot of myths about crystals − for example, that they are magical rocks with healing powers. An earth scientist explains some of their amazing true science.
If traveling into the past is possible, one way to do it might be sending people through tunnels in space.
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Adi Foord, University of Maryland, Baltimore County
Scientists are trying to figure out if time travel is even theoretically possible. If it is, it looks like it would take a whole lot more knowledge and resources than humans have now to do it.
Use a tissue and wash your hands after a booger explosion.
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Measuring the ages of planets and stars is tricky. An observational astrophysicist describes the subtle clues that provide good estimates for how old different space objects are.
Without a point of reference, it can be hard to tell just how fast an airplane is traveling.
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A pediatric urologist explains how the bladder and the brain communicate to wake you up when you need to ‘go’ – and how that communication might break down.
Some animals, including goats, regularly give birth to two babies at once.
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An ophthalmologist explains how important tears are to keeping your eyes feeling good and working well – whether you’re on dry land or swimming in a body of water.
For decades, what lay at the end of this road was a mysterious secret.
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You’re not allowed to visit the part of Nevada known as Area 51. That’s because it’s a top-secret government facility. But the secrecy has to do with spy planes, not space aliens.
Between 2012 and 2021, funding to U.S. tech startups jumped to $344 billion.
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