By Will Dunham (Reuters) - Thousands of bone fragments discovered in a cave on the Tibetan Plateau in China are offering rare insight into the lives of Denisovans, the mysterious extinct cousins of Neanderthals and our own species, showing they hunted

By Will Dunham WASHINGTON (Reuters) - Limb amputations are performed by surgeons when a traumatic injury such as a wound from war or a vehicle accident causes major tissue destruction or in instances of serious infection or disease. But humans are

By Liya Cui (Reuters) - Glaciers in the Juneau Icefield in southeastern Alaska are melting at a faster rate than previously thought and may reach an irreversible tipping point sooner than expected, according to a study published on Tuesday. Researchers at Newcastle

By Jake Spring SAO PAULO (Reuters) - Setting aside an additional 1.2% of the world's land as nature preserves would prevent the majority of predicted plant and animal extinctions and cost about $263 billion, according to a study published on Tuesday. The

By Will Dunham (Reuters) - Living among a small band of Neanderthals in what is now eastern Spain was a child, perhaps 6 years old, with Down syndrome, as shown in a remarkable fossil preserving traits in the inner ear anatomy

By Will Dunham (Reuters) - People greet each other in a variety of ways. They might say "hello," "guten tag," "hola," "konnichiwa" or "g'day." They might shake hands, bump fists, make a fist-and-palm gesture or press their hands together with a

By Krisztina Fenyo BUDAPEST (Reuters) - Dogs are able to understand that some words refer to objects in a way that is similar to humans, a small study of canine brain waves has found, offering insight into the way the minds

By Lara Brehmer LONDON (Reuters) - For some a natural diamond, created over billions of years, is the ultimate luxury, but an award-winning British designer sees greater worth in jewellery crafted using laboratory-grown gems and metal from recycled cans. Anabela Chan said

By Kylie MacLellan LONDON (Reuters) - British Prime Minister Rishi Sunak will announce a new science initiative to bring together work on developing climate-resilient crops as his government hosts a Global Food Security Summit in London on Monday. The summit, a joint