A crucial population of lions has lost much of its genetic diversity
28 March 2019
Lions in the important Kavango-Zambezi conservation area may be less able to adapt to climate change due to a loss of genetic variation over the past century
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Premium
Chimp evolution was shaped by sex with their bonobo relatives
24 May 2018
Some chimpanzee populations gained useful DNA from interbreeding with bonobos, and one may even have become more gentle and “bonobo-like” in its brain structure and behaviour
Chinese giant salamanders may already be virtually extinct
21 May 2018
Researchers spent four years looking for Chinese giant salamanders and only found 24 – and that’s not even the worst bit of news
A plague from South Korea is killing frogs and toads worldwide
10 May 2018
The world’s amphibians are dying in swathes because of the lethal chytrid fungus, and it seems the epidemic had its origins on the Korean peninsula
Our lust for tastier chocolate has transformed the cocoa tree
27 December 2017
Ever since we domesticated the cocoa tree over 3000 years ago, we have been breeding them to make tastier chocolate – but in the process we have made them vulnerable
Sumatran tigers fall 17 per cent and have just two strongholds
5 December 2017
There are now only two viable populations of Sumatran tigers left in the wild, so if the cats are to be saved those areas have to be protected
