Dolphins 'smile' at their playmates

Dolphins 'smile' at each other during play, research shows

Study Finds Dolphins ‘Smile’ to Initiate Play Similar to Humans and They’re Infectious

Dolphin Show In Lahore | Crazy Dolphin Dance | First Time Ever In Pakistan

Dolphin teaches tail-walking trick to other dolphins in the wild

Scuba Diving Encounters: Tahiti's Friendliest Dolphin

Dog Named Finn Speaks Dolphin

Dolphins Play With Beachgoers in Matarangi, New Zealand

Dolphins bond by whistling to one another and rely on wingmen for mating

Mulled wine makes people warmer

Hot dogs reduce a human's lifespan

A slice of cake can be good for the heart

Exercise benefits to the brain 'can last until the next day'

Youngsters are ditching roast potatoes for chips with their Christmas dinner

Believing in Santa Claus does not make children behave better at Christmas

Psychic claims humans will contact aliens in 2025

Transatlantic tunnel proposals resurface to speed up London to New York journeys

Icy crust on Uranus could be home to life

Brits bank after bonking

Car crashes more likely for hayfever sufferers

Brussels sprouts banned for astronauts

Humans should drink bat blood to survive long space journeys

Eating dark chocolate can reduce risk of Type 2 diabetes

King penguin's gender was mistaken for eight years

Daily sex sessions reduce heart attack and stroke danger

Space junk could prevent aliens from visiting Earth