Tuskless elephants: how poaching is changing African elephants

As the poaching crisis rumbles on, African elephant populations are being decimated. But something strange is also happening to the appearance of elephants. They’re losing their tusks. If you take a safari in Zambia, you’re now far more likely to see an elephant with no tusks than you did back in 1969. 10.5% of females […]

Obesity: Is it in our genes?

With reports on the soaring rates of worldwide obesity, scientists are now examining our DNA to see if our genetics can affect how we gain weight. Many people would agree that obesity appears to run in families and this makes a genetic contribution seem likely. Indeed various studies have estimated heritability of obesity from anything […]

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