We live at such a time when the threat of global hunger does not manifest itself in any way. Africa remains the only ...

For thousands of years, humans have used birds as a reliable form of communication, with the earliest known use of pigeons for delivering messages being in ancient Egypt, around 1350 BCE. For as long ...

一项发布在《内科学年鉴》（Annals of Internal Medicine）上的新研究发现，每天一次长距离步行比多次短距离步行更有利于心脏健康，特别是对锻炼量较少的人来说。 The study looked at more than 33,000 adults aged 40 to 79 in the UK who walked fewer than 8,000 steps a day.

Bringing down an elk, buffalo or musk ox, let alone a human, does not present much of a challenge. Luckily, they tend to ...

Boredom setting in after the festive chaos? Never fear: our writers and contributors have chosen their favourite ever science ...