BBC World Service - Discovery

The Power of the Unconscious

The crucial role of our unconscious, and how scientists are harnessing its powers

The important relationship between microbes that live in our gut and our health

Did the number zero come out of religious culture in ancient India?

Prof Jenny Graves on the evolution of sex genes from fauna to the male Y chromosome

Jim al-Khalili discusses digging up dinosaurs in remote places with Professor Mike Benton

The professor who studies the sun and the impact of its radiation on the Earth's climate

Professor of circadian neuroscience Russell Foster on how light controls our wellbeing

Could an emerald coloured beetle wipe out ash trees in Europe?

Can ash trees be saved from the deadly ash dieback fungus?

Explorations in the world of science.