Jeff Bezos dismisses idea of a backup plan, says we must protect Earth

Jeff Bezos dismisses idea of a backup plan, says we must protect Earth

During the last year Amazon founder Jeff Bezos has begun to open up about the scale of his ambitions with the rocket company, Blue Origin, explaining that he envisions millions of people living and working in space. Additionally, Bezos has talked about moving heavy industry off of planet Earth to create a garden paradise on our home planet. In this view Bezos' philosophy differs significantly from the other titan of the new space industry, Elon Musk of SpaceX. Both men agree that reusable spaceflight is essential to lowering the cost of access to space…

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Aboriginal Australians, Pacific Islanders carry DNA of unknown human species, research analysis suggests

Aboriginal Australians, Pacific Islanders carry DNA of unknown human species, research analysis suggests

The analysis suggests the DNA is unlikely to come from Neanderthals or Denisovans, but from a third extinct hominid, previously unknown to archaeologists. Statistical geneticist Ryan Bohlender and his team investigated the percentages of extinct hominid DNA in modern humans. They found discrepancies in previous analyses and found that interbreeding between Neanderthals and Denisovans was not the whole story to our ancestors' genetic makeup.

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