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Science and that is the same.

Physics medicine, nature,

or space, time, brain, life, the universe.

This week the A-Tazika of viruses, including where the new infections come from. Plus, news of a soft skin that gives robots a sense of touch,

why a lack of sleep can give you the munchies,

and do cats always land on their feet?

Or is that just a myth? I'm Katani and I'm Chris Smith and

this is the Naked Scientist.

The Naked Scientists podcast is powered by UKfast.co.

UK.

First this week, people who go through extreme and harrowing events often develop a

condition called post-traumatic stress disorder or PTSD. Sufferers describe intrusive

flashbacks of the event that can even make them feel suicidal.

But might a dose of laughing gas, nitrous oxide, given after a traumatic event, lower the risk

of PTSD. Naked scientist, Georgia Mills spoke with UCL's Ravi Das, who has evidence to suggest that it might.

We were specifically looking at nitrous oxide because we know that one of the ways it acts is a certain brain

receptor that's critical in memory formation and one of the main things that we

think contributes to PTSD is the formation of these kind of traumatic memories

...