Scientists have discovered a strange new toad species smaller than a fingernail in a rainforest in northeast Brazil, shedding more light on the rich diversity of life forms in the region. The species reaches less than 1cm in length as adults and has been named Brachycephalus dacnis after the conservationContinue Reading

Kissing in humans evolved as a symbolic expression of love from grooming behaviours seen in ancestral great apes, a comprehensive new study says. The kiss has been a versatile way by which humans across civilisations and societies have shown affection, intimacy, or social bonding, most often in a way thatContinue Reading