November is synonymous with Black Friday, great deals but what cost? Over consumption is endangering our already fragile planet. Is it time to change our ways? This week Do You Really Know is highlighting concepts and initiatives about reducing our consumption.
All week long we’ll be discussing anticonsumerist trends as an alternative to Black Friday. Zero ... Show More
Today
Does the law of attraction really work?
Over on TikTok, the #idontchaseiattract hashtag is nearing in on 20,000 publications at the time of recording. It really took off in late 2023, especially after Kendall Jenner said the following in an interview with Enews. Behind the simple statement are young women advocating th ... Show More
5m 13s
Today
How can I have a healthier relationship with my smartphone?
For a number of years now, our smartphones have played a central role in many aspects of our lives, from work to personal relationships to entertainment. There’s a close and sometimes addictive connection. Just think of doomscrolling for example, which is a phenomenon we’ve discu ... Show More
6m 54s
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