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Is swallowing pool-pee bad for your health?

How much of someone else's pee could you be swallowing while taking a swim? And is it dangerous? This week, Risk Bites takes on the terribly important topic of peeing in swimming pools. Surprisingly, beyond the yuck factor of drinking someone else's urine, there is a more serious hazard -- produc

Why we are able to speak

Neanderthals already possessed the FoxP2 language gene, which is responsible for language development in modern humans. So were cavemen as articulate as Homo sapiens? Author: ZDF/Terra X/Film Produktion Stein e.k./Alexander Hogh/Martin Papirowski/Timm Westen, Roxana Ardelean/Golem Studio/Guido Leu

Uruk, first metropolis in world history

One of the oldest known high cultures is Uruk in Mesopotamia, today's Iraq. The first major city in world history was built there in the 4th millennium BC. Author: ZDF/Terra X/Film Produktion Stein e.K./Alexander Hogh/Martin Papirowski/Timm Westen, Roxana Ardelean/Golem Studio/Alexander Leuck/Frau

Spears - the oldest weapons of mankind

The oldest weapons of mankind are probably 300,000 years old. In 1994, wooden javelins were discovered in Schöningen in Lower Saxony. Their discovery radically changed our view of human evolution. Author: ZDF / Terra X / Film Produktion Stein e.K./Alexander Hogh / Martin Papirowski / Timm Westen,

Art in the Stone Age

One of the first figurative representations of man is the Venus of Hohle Fels. The six-centimeter sculpture is about 40,000 years old. Homo sapiens also immortalized horses, water fowl and mammoths in works of art. Author: ZDF/Terra X/Film Produktion Stein e.K./Alexander Hogh/Martin Papirowski/Tim

Should I be worried about lead in chocolate?

Some chocolate contains lead. Is this safe? And does the ability to measure minute quantities of lead in chocolate make the product less safe? This week's Risk Bites is about the measurement conundrum -- what do you do when you can measure what's in the stuff you eat to the nth degree? It's not p