In this episode:
Across the world, huge numbers of illegal roads have been cut into forests. However, due to their illicit nature, the exact numbers of these roads and their impacts on ecosystems is poorly understood. To address this, researchers have undertaken a huge mapping exercise across the tropical Asia-Pacific region. Their findings reveal over a million kilometers of roads that don’t appear on official maps, and that their construction is a key driver for deforestation.
Research Article: Engert et al.
How climate change fuelled a record-breaking hailstorm in Spain, and an unusual technique helps researchers detect a tiny starquake.
Research Highlight: Baseball-sized hail in Spain began with a heatwave at sea
Research Highlight: Smallest known starquakes are detected with a subtle shift of colour
A clinical trial to test whether ‘mini livers’ can grow in a person’s lymph node, and the proteins that may determine left-handedness.
Nature News: ‘Mini liver’ will grow in person’s own lymph node in bold new trial
Nature News: Right- or left-handed? Protein in embryo cells might help decide
Nature video: How would a starfish wear trousers? Science has an answer
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Dad's microbiome can affect offsprings' health — in mice
Audio long read: Why loneliness is bad for your health
How gliding marsupials got their 'wings'
Living on Mars would probably suck — here's why
Keys, wallet, phone: the neuroscience behind working memory
Audio long read: Why are so many young people getting cancer? What the data say
Pregnancy's effect on 'biological' age, polite birds, and the carbon cost of home-grown veg
How climate change is affecting global timekeeping
AI hears hidden X factor in zebra finch love songs
Killer whales have menopause. Now scientists think they know why
These tiny fish combine electric pulses to probe the environment
Could this one-time ‘epigenetic’ treatment control cholesterol?
Audio long read: Chimpanzees are dying from our colds — these scientists are trying to save them
How whales sing without drowning, an anatomical mystery solved
Why are we nice? Altruism's origins are put to the test
Smoking changes your immune system, even years after quitting
Why we need to rethink how we talk about cancer
Cancer's power harnessed — lymphoma mutations supercharge T cells
Cervical cancer could be eliminated: here's how
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