Mammoth tusk tool may have been used to make ropes 37,000 years ago
Experiments with a replica suggest that a piece of mammoth ivory with carved holes found in a cave in Germany was used by ancient humans to make ropes
ergo proxy ergo proxy
Experiments with a replica suggest that a piece of mammoth ivory with carved holes found in a cave in Germany was used by ancient humans to make ropes
With the help of a ruby cube and two laser beams, researchers made one ray of light cast a shadow when illuminated by the other
The LCLS-II X-ray laser is unprecedentedly bright, and will make it possible to record exactly what atoms and molecules do during photosynthesis and o
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