Why low temperatures could help starve tumour...

In this episode:00:23 Fossil evidence that spinosaurs had an aquatic lifestyleScience: Some spinosaurs cried salty tears to thrive in brackish waters04:57 The explosive immune cells that kill in minutesNature: Bang! Exploding immune cells splatter potent toxins everywhereSubscrib ...  Show more

In this episode:00:57 How your smartphone’s camera could measure your heart rateResearch article: Liao et al.08:55 Research HighlightsNature: A star gone rogue tears through the GalaxyNature: Gold keeps glittering courtesy of surface chemistry11:04 Should you try something new in ...  Show more

Last summer saw intense heatwaves across the world. And already this year, global air, surface and sea temperatures have hit the highest levels on record. China, India and the US are currently experiencing heatwaves. In June, the UK’s Met Office released a health warning because ...  Show more

This year, the hottest July ever was recorded — and parts of the country were hit with heat waves that lasted for weeks. Heat is becoming increasingly lethal as climate change causes more extreme heat. So in today's encore episode, we're exploring heat. NPR climate correspondent ...  Show more

A study from Hong Kong university shows Omicron replicates 70 times faster than two earlier variants of the SARS-Cov-2 virus. Virologist Malik Peiris, explains how tests using cells from the wind pipe showed the dramatic difference, which supports observations of increased transm ...  Show more

New challenges for our power supplies in a warming world.

Global temperatures have been breaking records this summer. On some estimates, the earth is the hottest that it has been for about 125,000 years. In Phoenix, Arizona, temperatures have ...