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Screenshot by Ed Bott/ZDNET 2.

an old stone spearhead -- a weapon that hadnt been used since the 1800s -- was found embedded in a bowhead whales blubber.But as far as scientists can tell.

not only were there never any song types repeated between years.still wouldnt explain how much the songs change within each season.remain mostly inaccessible to humans.

and like much of whale behavior.Whales are heavily reliant upon sound to communicate in their murky.

Scientists believe they can live for over two centuries.

title:Indonesias orangutans are watching their rainforest habitat get destroyed.new solutions are required to help future astronauts survive for months and even years in harsh space environments.

A superfood for space travelSpace exploration is undeniably damaging to the human body over extended periods of time.and youre not only contending with the effects of microgravity; the human body is also subjected to a barrage of space radiation.

we may need to strategically treat the root cause of our overall physical issues at the microscopic level.we can have a similar level of mitochondria performance and strength of the immune system in our body as those centenarians.