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Early human fossils have been found in a South African cave dating back a million years older than thought
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How this high-tech batting cage engages kids in STEM
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Extended Interview: NASA Astronaut Jessica Watkins (Part 1)
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Extended Interview: NASA Astronaut Jessica Watkins (Part 2)
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Watch these Earth Week experiments with Kate the Chemist
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play now
Early human fossils have been found in a South African cave dating back a million years older than thought
03:03
-
next one
How this high-tech batting cage engages kids in STEM
03:49
-
Have Chinese researchers picked up signals from alien civilizations?
01:58
-
The search is underway for a woman who was rejected by NASA 60 years ago
03:25
-
Chicago rock stars discover space rocks at the bottom of Lake Michigan
03:02
-
NASA to join the search for answers about UFOs
02:37
