"What time zone do they use on the International Space Station?" and "What's the world's toughest animal?" BBC Click Radio presenter Gareth Mitchell answers life's big questions.
"Why does it feel strange to walk up a non-working escalator?" and "Can computers create random numbers?" BBC Click Radio presenter Gareth Mitchell answers life's big questions.
Hugh Aldersey-Williams tells us what it's like to come face to face with a dead body; Prof Bill McGuire explains why Italy’s Mount Vesuvius is deadlier than ever.
Zoologist Prof Matthew Cobb reveals the secrets behind Brian Cox’s new series Wonders of Life; palaeontologist Prof Neil Shubin explores the deep connections between the cosmos and the human body.
"What health risks have been linked to Wi-Fi?" and "If everyone stood together what area would we cover?" BBC Click Radio presenter Gareth Mitchell answers life's big questions.
Scientist and author Jared Diamond talks about his new book The World Until Yesterday; astrophysicist Caleb Scharf discusses the weird and wonderful world of black holes.