Peer-reviewed journal
Appears in 2 stories
Published the study
Two sets of remains from the Indonesian island of Sulawesi carry teeth worn into deep, rounded grooves and traces of betel nut residue in their dental tissue. One individual lived 25,000 to 16,000 years ago; the other 7,600 to 6,300 years ago.
Updated Yesterday
Published the nanolaser research
A Danish research team has built a nanolaser small enough that thousands could fit on a single microchip. It traps light in a space far smaller than previous designs and runs at room temperature on very little energy.
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