EnvironmentToxic algae blighting South Australia could pose a global threat Researchers warn that the alga Karenia cristata, which has killed around a million animals in Australian waters in one of the biggest algal blooms ever seen, could harm marine life elsewhere ¿ìè¶ÌÊÓÆµ
LifeHow human eggs stay fresh for decades In human beings, egg cells need to survive for about five decades, much longer than most other cell types – and they may achieve this unusually long lifespan by slowing down their natural cell processes ¿ìè¶ÌÊÓÆµ