Paleobiologist Christine Hertler says the loss of thick hair made extended periods of exertion possible in our ancestors. Effort generates heat, and sweating dissipates it. But for that to work, the skin has to be free of too much hair.
As some question the ethics of the fur trade, fur will be doubtless a staple in the current season, beginning with the Men's Fashion Week in London on January 6. Jan Tomes explores the practices and the issues at stake.
In what is seen as a seismic change for Germany's political system, the conservative CDU has agreed to play minor coalition partner to the environmentalist Greens. DW traces the evolution of an unlikely relationship.
Some artists have taken art and recycling to a whole new level. They are working with materials that at first glance don't have much to do with creativity, like pencil lead and even chewing gum.
The naked mole-rat is an amazing animal and has long been something of a puzzle. The desert rodent feels no pain and ages incredibly slowly. Could humans not take a leaf out of their book?
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