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How to watch SpaceX bring NASA astronauts back to Earth this weekend – CNET

Bob Behnken and Doug Hurley made history getting to the space station aboard a Crew Dragon capsule. Weather permitting, they’re coming home soon.

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Astronauts Bob Behnken and Doug Hurley strapped into Crew Dragon prior to the launch scrub May 27.
SpaceX
The SpaceX Crew Dragon Demo-2 mission has been smooth sailing so far for NASA’sCommercial Crew Program. Astronauts Bob Behnken and Doug Hurley successfully launched to the International Space Station in late May, and now they’re ready to come home as early as Sunday, if the weather doesn’t force a delay. 
The return to Earth takes some time, and NASA will be there along the way with a liv…

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Inside the mind of an animal – Nature.com

Neuroscientists are scrutinizing huge piles of data to learn how brains create emotions and other internal states such as aggression and desire.

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Two years ago, Jennifer Li and Drew Robson were trawling through terabytes of data from a zebrafish-brain experiment when they came across a handful of cells that seemed to be psychic.
The two neuroscientists had planned to map brain activity while zebrafish larvae were hunting for food, and to see how the neural chatter changed. It was their first major test of a technological platform they had built at Harvard University in Cambridge, Massachusetts. The platform allowed them to view every cel…

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The earth was once home to ‘terror crocodiles’ nearly the size of city buses – CNN

A new study has shed more light on gigantic “terror crocodiles,” that once roamed the world and preyed on dinosaurs with teeth “the size of bananas.”

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(CNN)A new study has shed more light on gigantic “terror crocodiles,” that once roamed the world and preyed on dinosaurs with teeth “the size of bananas.”
The research, which was conducted in 2018, published this week in Journal of Vertebrate Paleontology. It found that the Deinosuchus — a lineage of giant Late Cretacecous crocodylians from North America — were nearly as long as city buses, growing up to 33 feet in length, according to the study authors.
“Deinosuchus was a giant that must h…

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Some Humans Are Carrying DNA From an Unknown Ancient Ancestor – ScienceAlert

A new analysis of the genomes of the most famous of ancient humans – Neanderthals and Denisovans – has revealed an as-yet-unidentified ancestor for our species – a branch of our distant family tree without any known label to put to it.

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A new analysis of the genomes of the most famous of ancient humans – Neanderthals and Denisovans – has revealed an as-yet-unidentified ancestor for our species a branch of our distant family tree without any known label to put to it.
The study also finds further evidence of interbreeding between humans and Neanderthals, but places it much earlier than we previously knew – some 200,000 to 300,000 years ago. This interbreeding would therefore add new insight into the increasingly complicated hist…

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