LifeAn orchid uses a finger-like appendage to pollinate itself More than 130 years after a fungus-eating orchid species was discovered, the purpose of its mysterious appendage has been revealed News
LifeOrcas have begun wearing salmon hats again – and we may soon know why About 40 years ago, researchers noticed a population of orcas had begun swimming around with dead fish on their heads, and now the craze is back News