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Thursday 20th Feb 2020, 10.00am

Mechanobiology: the stress of life

We often think of our bodies in terms of cells and genes, but we shouldn’t forget that they’re also complex mechanical structures. From an Achilles tendon – that can carry half the weight of a Mini – to our constantly pulsing blood vessels, they’re feats of meticulous engineering. Scientists at...

Thursday 5th Dec 2019, 12.30pm

Our mysterious ocean floor

Oceans cover more than 70% of the Earth's surface, yet only 15% of the ocean floor has been mapped in detail. Much remains unknown, including the location of potentially hundreds of thousands of seamounts, which can be hazardous to navigation. Scientists at the University of Oxford are working...

Thursday 7th Nov 2019, 12.30pm

How do unborn babies and mothers communicate via the placenta?

The placenta is a fascinating organ, which allows communication between mother and foetus through the release of bubble-like vesicles. Could the messages within these vesicles provide an early warning of diseases such as gestational diabetes and preeclampsia? Scientists at the University of...

Thursday 3rd Oct 2019, 09.00am

Can we make a sensor that can match a sniffer dog?

When it comes to sensing potentially-dangerous vapours, sniffer dogs are still considered the gold standard. In this animation we learn about chemiresistive sensors, a new type of sensor that may be able to match the noses of our furry friends.

Thursday 19th Sep 2019, 09.00am

Positioning in challenging environments

From driving, to crop harvesting and timing in the financial markets, many aspects of our modern lives are reliant on GPS.

But, although they are everywhere, high frequency radio waves have a flaw. They are blocked by solid objects – like buildings – so they can’t reach everywhere. 

Thursday 22nd Aug 2019, 09.00am

When did cats arrive in Britain?

Sunning themselves outside or curled up on our sofas …many of us have a pet cat in our homes. But do we ever pause to wonder where our feline friends came from and how long they have been by our sides?

 

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