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Will "Star Trek" type travel–teleportation–ever become possible?

It’s not yet possible for humans, but it IS possible with atomic particles which have become "entangled." Physicists first did this in 1997, using a single pair of entangled photons, or particles of light. This happens when pairs of particles become linked in such a way that measuring a certain property of one instantly determines the same property for the other, even if separated by large distances.
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Cave paintings discovered in Spain in the 1870s have been dated using a new process and found to be 15,000 years older than thought. This makes them 41,000 years old, so old that they may have been made not by modern humans, but by Neanderthals. What makes them so important is that they date from the time when modern humans first came to Europe from Africa.

The paintings depict a red sphere (the sun?) and many handprints made by blowing pigment on a hand that was placed against the cave wall. Scientists dated the Spanish cave paintings by measuring the decay of uranium atoms in the paint.
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All those baseball players got in trouble for no reason: new research reveals that exercise-related testosterone and growth hormone do NOT play an influential role in building muscle after weightlifting, despite conventional wisdom suggesting otherwise.

Bodybuilders–and professional athletes–who try to manipulate those hormones through exercise routines are wasting their time. Researcher Daniel West says, "A popular mindset for weightlifters is that increased levels of hormones after exercise play a key role in building muscle. That is simply not the case.
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