How can I have a healthier relationship with my smartphone?

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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

What are the best ways to reuse my household waste?

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’l ...  Show more

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Helium
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Andrea Sella, Professor of Inorganic Chemistry at University College London, celebrates the art and science of the chemical elements. Today he looks at helium. Helium is a finite resource here on Earth and many branches of science need it. Doctors need it to run MRI machines to d ...  Show more

The $1,000 balloon
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Helium is full of contradictions. It’s the second most abundant element in the universe, but is relatively rare on Earth. It’s non-reactive, totally inert—yet the most valuable helium isotope is sourced from thermonuclear warheads. And even though we treat it as a disposable gas, ...  Show more

The World Is Constantly Running Out Of Helium
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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

Should We Care About the Finite Supply of Helium?
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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