We like to think of science and medicine as unbiased, unaffected by social constructs. But we see evidence to the contrary everyday, from false yet persistent claims that black people’s bones are denser to the reality that the covid-19 pandemic disproportionately impacted people of colour.

In her debut book Systemic: How Racism is Making Us Ill, science journalist Layal Liverpool explores the health consequences of racism. She showcases how fatal stereotypes can leave people of colour in need of medical care undiagnosed, untreated and unsafe.

In this episode, Liverpool explains how race and racism infiltrate every aspect of health – from living in polluted areas to being dismissed by doctors in the hospital. She lays out the problematic history of medicine and health science. And she highlights the many ways people are beginning to make meaningful change.

To read about subjects like this and much more, visit newscientist.com.

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If (or maybe when) we find alien life in the universe, will it look like us? As telescopes become bigger, our ability to peer into the cosmos is only getting better. So the question may not be “will we find something?” but rather “what exactly should we be looking for?”

Lisa Kaltenegger is an astrophysicist and founding director of Cornell University's Carl Sagan Institute. She even works out of Sagan’s old office and shares the same optimism and enthusiasm he brought to the search for extraterrestrial life.

Abby Beall speaks to her about her new book Alien Earths: Planet Hunting in the Cosmos, which takes readers on a cosmic adventure to faraway exoplanets with oceans of lava and multiple suns.

Through the conversation Lisa explains how Earth’s geological history can help inform our search for life, while acknowledging alien life may not look the same as us. She discusses the technology that has allowed us to enter a new epoch of exploration – and what technological advancements are needed to help advance our search for alien life. And she examines the alien worlds that feature in various science fiction worlds, like those in Star Wars and Avatar, and whether they could actually exist somewhere in the universe.

To read about subjects like this and much more, visit newscientist.com.

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From Dune to The Three Body Problem, is science fiction having a moment? Attention to the genre, as well as TV and films based on it, seems to have exploded in the past few years. With sci-fi often getting a bad rap, it’s time to ditch the snobbery and celebrate its complexity and diversity. And who better to do this with than New Scientist’s science fiction columnist – and our former editor – Emily H. Wilson?

Wilson is a journalist and author. In 2023 she published Inanna, the first of The Sumerians, a trilogy set in the ancient civilisation of Sumer. The books are an epic, speculative retelling of some of the oldest myths ever recorded.

In this episode, Rowan Hooper speaks to Wilson about the enduring popularity of the genre, and why you should be proud to call yourself a science fiction fan. Plus, the pair share loads of recommendations and explore sci-fi’s many different sub-genres, from climate fiction to cyberpunk.

You can learn more about Emily’s trilogy, The Sumerians, here.

To read about subjects like this and much more, visit newscientist.com.

Books mentioned:

- Three Body Problem, Cixin Liu

- Children of Time, Adrian Tchaikovsky

- Ancillary Justice, Anne Leckie

- Annie Bot, Sierra Greer

- Dune, Frank Herbert

- The Chrysalids, John Wyndham

- Day of the Triffids, John Wyndham

- The Dispossessed, Ursula K. Le Guin

- The Left Hand of Darkness, Ursula K. Le Guin

- The Man in the High Castle, Philip K. Dick

- Neuromancer, William Gibson

- Burning Chrome, William Gibson

- Mars, Kim Stanley Robinson

- Red Moon, Kim Stanley Robinson

- 2312, Kim Stanley Robinson

- The Ministry for the Future, Kim Stanley Robinson

- Parable of the Sower, Octavia Butler

- Patternmaster, Octavia Butler

- The Broken Earth, N. K. Jemisin

- Middlemarch, George Eliot

- Impressions of Theophrastus Such, George Eliot

- Service Model, Adrian Tchaikovsky

- Autonomous, Annalee Newitz

- Excession, Iain M. Banks

- A World Out of Time, Larry Niven

- Ender's Game, Orson Scott Card

- The Ballad of Halo Jones, Alan Moore and Ian Gibson

- Tank Girl, Alan Martin and Jamie Hewlett

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