Episode 270

There may be hope for the survival of coral reefs, a vital part of the global underwater ecosystem that is under massive threat from climate change. At 1.5 C degrees of warming we’re at risk of losing 70-90 per cent of coral - and more than 99 per cent is estimated to die off at 2 degrees. But new research suggests corals may be more adaptable and resilient than we thought. Hear from two experts on the matter, Chris Jury of the University of Hawaii and Terry Hughes, director of the Centre of Excellence for Coral Reef Studies at James Cook University in Australia.

A new exoplanet has been discovered in orbit around Barnard’s star - Earth’s closest single stellar neighbour. But could it be home to extraterrestrial life? And in this, the golden age of exoplanet discovery, how close are we to finding one that looks like Earth?

Remarkably preserved remains of a 16 month old toddler have been analysed, painting a detailed picture of life in ancient Italy. Despite being 17,000 years old, DNA samples have shown us the colour of the child’s skin, his eye colour, health conditions and even how closely his parents were related.

Russia’s invasion of Ukraine has been dubbed the “first drone war”. As the war rages on, drone combat has shifted from ad hoc, random encounters to highly strategic and coordinated assaults. With the increasing capabilities of drones and a ramp up in the expertise of operators, is this the future of the war - and is it a good thing?

Hosts Rowan Hooper and Chelsea Whyte discuss with guests Terry Hughes, Chris Jury, Alex Wilkins, Sam Wong and Jacob Aron.

To read more about these stories, visit https://www.newscientist.com/

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