Calls of túngara frogs consist of a whine followed by up to seven chucks. The whine is a long-frequency sweep, whereas the chuck is a shorter sound whose fundamental frequency is half that of the ...

A new type of glass frog has been discovered in Ecuador, and researchers have named it after weightlifter Neisi Dajomes, the first Ecuadorian woman to win an Olympic gold medal. CHANG: Like many glass ...

Harvey Nichols is asking for takeover offers within two weeks as its billionaire owner brings the curtain down on 35 years of ownership. Sky News has learnt that advisers to the London-based ...