8 billion: an overpopulation crisis?

8 billion: an overpopulation crisis?

Last month, we were told, the 8 billionth person was added to Earth's human population. But despite many acknowledging that some of the biggest threats facing us and the planet, like climate change - stem from our impact on world, and the more of us there are, the worse those threats will be, the topic of population is mysteriously absent from the dialogue at major international fora, like the recent COP27 meeting in Egypt. Surely "living sustainably" must include, as David Attenborough puts it, not over-running the planet and destroying it in the process?So how many people can, or should the... Like this podcast? Please help us by supporting the Naked Scientists

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Lasers lure lightning and carbon computing

Lasers lure lightning and carbon computing

How hair follicles might hold the key to reversing scars, but not just in skin: in hearts and other organs too. Also, scientists crack how to grow new brain cells in the laboratory dish. And what a mu...

20 Jan 202329min

Dry January: is giving up booze beneficial?

Dry January: is giving up booze beneficial?

It's that time of the year where we traditionally make - and usually break - resolutions to eat less, drink less, lose weight, give up meat and take up exercise during the year ahead. And in the decad...

17 Jan 202329min

Shouting dolphins and failed rocket launches

Shouting dolphins and failed rocket launches

The artificial pancreas to turnaround diabetes control, what went wrong with the UK's first space launch, and the Cambridge-born process that can turn CO2 and waste plastic into fuels and valuable che...

13 Jan 202328min

Q&A: How to avoid being squashed by a whale

Q&A: How to avoid being squashed by a whale

How stars burn for billions of years. Can Rishi Sunak turn us into a nation of mathematicians? And how misinformation changes the shape of our brains. Plus, there'll be our customary quiz at half time...

10 Jan 20231h 1min

The best of 2022!

The best of 2022!

We're looking back at 2022, a remarkable year for many reasons. Whilst it is easy to be consumed by stories of conflict, climate catastrophe, and disease outbreaks, it is still important to remember t...

3 Jan 202354min

A deep dive into oceanography

A deep dive into oceanography

We're taking a look at our planet's oceans, and seeing how and where the important work into studying our seas takes place, as well as finding out how the data collected by marine expeditions translat...

20 Dec 202230min

Nuclear fusion, and magnetic air pollution

Nuclear fusion, and magnetic air pollution

A landmark achievement: nuclear fusion experiments produce a net energy output - so what does this mean in practical terms. Also, glasses that soak up infrared to auto-demist. And how magnets are help...

16 Dec 202225min

Tumours and tectonics: magnets making a mark

Tumours and tectonics: magnets making a mark

This week we've found ourselves attracted by the topic of magnetism; it's what makes it possible to generate and distribute electricity to our homes, or send messages and radio broadcasts over the air...

13 Dec 202229min

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