LifeThis is why you can't help babbling to your dog like it's a baby Competing theories for the use of baby talk on dogs are being untangled and it looks like it's got less to do with cute faces than you think, says Clive Wynne Comment
EarthLarge asteroid impacts may be rare, but we should be prepared It would be wise to heed calls to build a dedicated rocket primed to defend Earth against a large incoming asteroid or comet, says Geraint Lewis Comment