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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

Are you ready to Roomba? Since its launch, more than 40 million autonomous vacuums have made their way into people’s homes, and often – as the research reveals – into people’s hearts.See omnystudio.com/listener for privacy information. 

Cosmos science journalist, Evrim Yazgin, is here to settle the question on every toddler’s lips: what’s the biggest animal? The answer will definitely surprise you!  See omnystudio.com/listener for privacy information. 

Funding cuts and research censorship have shaken the foundations of America’s health and science agencies, leaving researchers shocked, confused, and afraid. What does this mean for the future of science?For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/un ... Show More

Space junk. It might sound like an out-of-this-world problem that we don’t need to worry about here on Earth – but is it? As we send more and more metal in the form of satellites up into space, scientists are warning it is becoming more of a risk both here – and up there. We dig ... Show More

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 answer isn’t as clear as you might think. And because of drastic cuts to climate science funding, this question might be getting even harder to solve. Guest: Umair Irfan, Vox climate science correspondent For show transcripts, go to ⁠⁠⁠⁠⁠⁠vox.com/unxtranscripts⁠⁠⁠⁠⁠⁠ For more ... Show More

Madeleine Finlay talks to science editor and podcast co-host Ian Sample about how Donald Trump approached science when in office last time, and what his second term is likely to mean for the environment, health and scientific research. Help support our independent journalism at t ... Show More

A woolly mammoth by 2028.That’s the bold claim from US company Colossal Biosciences, who say research is under way that will make this possible.But even if we have the technology to bring back a long dead species, should we? We hear the arguments for and against de-extinction.Als ... Show More

Last year was full of unexpected science news, from a new strain of Mpox emerging in the DRC, to artificial intelligence dominating the Nobel prizes and two astronauts getting ‘stuck’ in space. So what will this year bring? Ian Sample and science correspondent Hannah Devlin discu ... Show More

Daniel and Katie talk about things in the sky that pulse, and a recent discovery of a puzzling set of pulses.See omnystudio.com/listener for privacy information. 

Scientists have developed ways to suck greenhouse gasses out of the atmosphere. So climate change is solved then, right? Bloomberg Environment's Abby Smith tells us why this technology isn't yet ready for widespread use and why the government's policies toward what some call "car ... Show More

What is this mysterious technology, and how is it going to affect our lives? Jorge talks to a Quantum scientist and visits their lab to see and hear these machines in action.See omnystudio.com/listener for privacy information.