<div><p>Fossilised footprints, found in a Polish quarry, of an enigmatic, long-extinct creature have prompted palaeontologists to reopen the file of how life in the sea moved to the land.</p><p>A key theory in evolutionary biology is that tetrapods -- four-limbed land-loving vertebrates -- emerged from fishes with pairs of lobed ...

<div><p>A 16-year-old Iraqi immigrant, who figured out a solution to a complex maths puzzle, was not the first person to come up with a successful formula, Sweden's Uppsala University said in a statement Thursday.</p><p>Swedish media, including the website of the Dagens Nyheter daily, reported Thursday that ...

<div><p>Taking up regular physical exercise after the age of 50 is as beneficial for men as quitting smoking, a Swedish study published Friday on the website of the British Medical Journal (BMJ) showed.</p><p>Men who began exercising after the age of 50 had the same life expectancy after ...

<div><p>Scientists have traced the origin of fingers and toes to fish-like creatures that roamed the seas 380 million years ago, according to a new study.</p><p>The findings, published Sunday in the British-based science journal Nature, upend the prevailing theory on the evolution of digits.</p>&lt ...