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Captive-raised saltwater crocodiles released into Bangladesh’s Sundarbans surprised scientists by settling into the wild rather than trying to return to their breeding facility. The result suggests that releasing larger, mature captive crocodiles could help restore depleted populations more successfully than relying only on vulnerable hatchlings.
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.
The leaders of Plaid Cymru, SNP and Sinn Fein say the UK government should prepare for constitutional change.
The next U.S. president and candidates for Senate this November will be tasked with addressing Social Security's funding shortfall.
