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How overconfidence is a winning survival strategy

A new study has suggested that harbouring a mistakenly inflated belief that we can easily meet challenges or win conflicts is actually good for us.

Virgin birth may be sharks` secret survival strategy

Parthenogenesis – a form of asexual reproduction found in females, where growth and development of embryos occurs without fertilization by a male – may be part of an extreme survival strategy for sharks, say researchers.