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Ancient teeth pose a mystery: What made those strange grooves?
Source: NPR Health
Original reporting
NPR Health: read the full reportRelated stories
BBC Science
Hummingbird hawk moths and ivy bees: The insects thriving as temperatures rise
Hummingbird hawk moths - often mistaken for small birds - are being spotted in the West Midlands.
BBC Science
When a beloved tree began withering away, locals suspected a killer in their midst
A neighbourhood’s fight to save a cherished ginkgo pits them against an unlikely foe.
Science Daily
Scientists discover cells that cheat death and rebuild damaged tissue
Scientists discovered a population of cells that can start the process of programmed cell death, survive it, and then help rapidly rebuild damaged tissue. Their descendants become far more resistant to future damage, revealing a mechanism that could improve healing but may also help cancers return after treatment.
Science Daily
Scientists just named a new snake after Guns N’ Roses legend Slash
A newly discovered snake from New Guinea has been named after Guns N’ Roses guitarist Slash, who has loved reptiles since childhood. Genetic testing and physical differences confirmed that the reddish-brown groundsnake, Lielaphis slashi, is a species scientists had never formally recognized before. The nonvenomous snake may use large rear teeth to catch slippery lizards and reptile eggs.
Science Daily
NASA’s Roman Space Telescope could last more than twice as long as planned
NASA’s Roman Space Telescope may now have enough fuel for at least 22 years of science, more than double its original 10 year design life. An extremely precise course correction, extra fuel at launch, and additional expected savings could keep the powerful observatory studying the universe for decades.
Science Daily
Scientists are about to test Einstein’s gravity with exotic matter
Scientists have found a new way to create a controlled beam of muonium, an exotic atom containing a heavier cousin of the electron. The advance could allow researchers to test for the first time whether gravity acts on second-generation particles exactly as Einstein’s theory predicts. Any unexpected difference would be a major surprise and could potentially point toward new physics, including a hypothetical fifth force.