Meaning Extremely calm, relaxed and in control of your emotions. Origin This phrase may have originated from the fact th

The two predators were photographed collaborating in Colorado, a fascinating example of interspecies teamwork.

Their skeletons are prized by beachcombers, but sand dollars look way different in their lives beneath the waves. Covered in thousands of purple spines, they have a bizarre diet that helps them exploit the turbulent waters of the sandy seafloor.

long term autoimmune disorder causing intolerance to gluten

Detailed description, properties, and locality information guide about the mineral corundum: ruby and sapphire.

HIV activist

The coyote-badger partnership is one we could all take a cue from: Together, the species snag fast-moving prey. Learn about the coyote-badger partnership.

German lawyer

At its speculative height, the Dutch East India Company was worth $7.9 trillion in today's terms - more than 20 of the world's biggest companies combined.

Pegasus was a flying horse in Greek mythology, usually depicted as white coloured. His father was Poseidon and his mother was the Gorgon Medusa; he wa...

Alexander III (Russian: Алекса́ндр III Алекса́ндрович, tr. Aleksandr III Aleksandrovich; 10 March 1845 – 1 November 1894) was Emperor of Russia, King of Poland and Grand Duke of Finland from 13 March 1881 until his death on 1 November 1894. He was highly…

The Japanese are obsessed with hygene and BBC correspondent Juliet Hindell looks as some of the products available to help them achieve it.

model whose mass-produced pictures see wide appeal as popular culture

"He said he was just so very, very happy and couldn't believe it," the hospice CEO said of the terminally ill man's reaction.

analogy coined by Bertrand Russell

Phosphorus is an essential element for life. Forms of it are found in DNA, RNA, and all living cell membranes. It is the sixth most abundant element in any living organism. Phosphorus can also be highly poisonous and combustible (white phosphorus is used…

notion

The Pantheon (UK: /ˈpænθiən/, US: /-ɒn/;Latin: Pantheum, from Greek Πάνθειον Pantheion, "[temple] of all the gods") is a former Roman temple, now a church, in Rome, Italy, on the site of an earlier temple commissioned by Marcus Agrippa during the reign of…

The Uprising of Ivaylo (Bulgarian: Въстанието на Ивайло) was a rebellion of the Bulgarian peasantry against the incompetent rule of Emperor Constantine Tikh and the Bulgarian nobility. The revolt was fuelled mainly by the failure of the central authorities…

Personal physician to Adolf Hitler