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Why understanding how time works is the biggest mystery in science

9/3/2026 • 30 min

When most of us think about time our minds likely turn to thoughts of the second hand that ticks around a clock, or maybe the occasions we’ve been late to catch a bus. But if we stop to think about what time actually is things quickly get more subtle and complicated. Does time only exist in our minds as a psychological illusion, does it really only run forwards … Play episode

How forensic scientists gather vital evidence to solve crimes
Why the most extreme El Niño event for a century is on its way
The secret world hidden in the ground below us
The truth about the Nazi fascination with alternative medicine
What we’re getting wrong about narcissists
The latest breakthroughs in Parkinson’s research
How to harness your brain’s underused superpowers
How we define intelligent life
Exploring Darwin’s ideas through a queer lens
On the frontlines of our fight against dementia
Why the search for life on Mars is far from over
Why rediscovering simple pleasures may be the key to happiness
Why human urine may be our most untapped natural resource
How new technology can change our emotional lives for the better
The birth, evolution and future of microchips
What we can learn from music’s ability to evoke images in our minds
Why the liver is the body’s most misunderstood organ
Why this common women’s health condition is so misunderstood
The miraculous healing ability of our brains
How parasites play a vital role as caretakers of Earth’s ecosystems
How to keep your body younger for longer
Why wasps are one of the planet’s most misunderstood insects
Why you probably don’t need to be taking dietary supplements
Why this tiny organism is essential for the health of the planet
What happens in our bodies when our hormones misfire
What we can learn about parenting from the animal kingdom
Don’t miss the upcoming Nature’s Unsung Heroes miniseries!
Why bisexuality is everywhere
The past, present and future of DNA science
Why ecoacoustics is the future of conservation
Unlocking the invisible rainbows of the Universe
Why birdsong is the pop music of the natural world
Why walking more is the best thing you can do to boost your health
How ultrasound tech could save hedgehogs
Why ADHD is so challenging to diagnose
Inside the project helping the hard of hearing listen to music
Why your Neanderthal genes may be affecting your health
Don't miss the upcoming Science of Sound Miniseries!
How to help your brain thrive in a rapidly changing world
How to break free from imposter syndrome
The dawn chorus – why birds sing at the break of day
How to save the planet’s forests
How flowers played a key role of the evolution of life on Earth
How chemistry underpins every area of our lives
How to engage more deeply with the natural world
You’ve been pooping wrong, but here’s how to fix it
Why it’s not too late to reverse Earth’s extinction crisis
Why gout is on the rise, and how to lower your risk
How our intimate relationship with animals shaped human evolution

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