What are blue zones?
Humans have wondered about the secrets behind longevity since the beginning of time. Well, as it turns out, the world’s five blue zones offer some revealing insight into this mystery. In these regions, people seem to live longer than in the rest of the world. Researchers have sought to understand the unique lifestyles that may be beh ... Show More
Today
How can I wake up refreshed every morning?
Some people believe they simply can’t function in the morning until they’ve had a cup of coffee. Others seem to be grumpy every morning, as if they’ve got out of the wrong side of the bed. Of course, a poor night’s sleep can be the cause, whether it be down to stress, not getting ... Show More
6m 10s
Today
Could you be micro-flirting without realising it?
There are plenty of ways to get the attention of someone you're crushing on. It might come very naturally to some, but for others, flirting can be an intimidating proposition. Have you ever wondered if someone is flirting with you, because of their somewhat ambiguous approach? We ... Show More
5m 16s
Jun 2020
The World Is Constantly Running Out Of Helium
Encore episode. Helium is the second-most common element in the cosmos, but it's far rarer on planet Earth. As part of our celebration of the periodic table's 150th birthday, correspondent Geoff Brumfiel shares a brief history of helium's ascent, to become a crucial part of rocke ... Show More
13m 24s
May 2023
Should We Care About the Finite Supply of Helium?
Helium is the only truly non-renewable resource, and it's essential for things like MRI machines and nuclear reactors, but should we be worried? And, we turn air into food, so why can’t we get carbon to leave the atmosphere – or helium to stay? In this episode, Cosmos Science Jou ... Show More
7m 54s
Oct 2019
S1E2 - Episode #2 - Oxygen
This week Fergus, Carys and Joe discuss oxygen, the third most abundant element in the universe by mass. Listen to find out about oxygen bars, fire and the ozone layer! Plus a look at science "In The News", the return of "Science Fact or Science Fiction?" and a new game called "S ... Show More
28m 20s
Mar 2016
Noble Gases (Ar, Ne, Kr, Xe)
Neon, argon, krypton and xenon: Laurence Knight investigates their uses, from the blinding light of the arc welder's torch to the dying trade of the neon sign-making. Professor Andrea Sella explains how an alumnus of his home University College London - Scottish chemist Sir Willi ... Show More
29m 38s