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̽��ֱ��importance of friendships and family support in helping prevent depression among teenagers has been highlighted in research from the ̽��ֱ�� of Cambridge. ̽��ֱ��study, published in the open access journal PLOS ONE, also found that teenagers who had grown up in a difficult family environment were more likely than their peers to be bullied at school.

A contagious form of cancer that can spread between dogs during mating has highlighted the extent to which dogs accompanied human travellers throughout our seafaring history. But the tumours also provide surprising insights into how cancers evolve by ‘stealing’ DNA from their host.

A new technique that allows embryos to develop in vitro beyond the implantation stage (when the embryo would normally implant into the womb) has been developed by scientists at the ̽��ֱ�� of Cambridge allowing them to analyse for the first time key stages of human embryo development up to 13 days after fertilisation. ̽��ֱ��technique could open up new avenues of research aimed at helping improve the chances of success of IVF.

Species of single-celled algae use whip-like appendages called flagella to coordinate their movements and achieve a remarkable diversity of swimming gaits.