All engine running.

Absolutely genius.

Get this.

Welcome.

This is the show where we bring science.

What that essentially means is discovery is

advances, research, technology, unbelievable.

Without further ado, this is the Naked Scientists.

Hello, welcome to the Naked Scientists,

the program that brings you the latest breakthroughs in science,

technology, and medicine with me, Chris Smith.

And this week are public health officials preparing to clamp down on the sale of dangerous

vapes.

Also ahead how scientists are cracking why some of us are magnets for mosquitoes

and a very welcome floral addition to King's College, Cambridge. There are growing calls to clamp down on the underage sale and branding of e-cigarettes. A BBC investigation found that vapes

confiscated from school pupils contain dangerously high levels of lead, nickel and

chromium. Health officials are concerned. I've been speaking to leading public health

expert and social policy advisor for the Scottish government, Linda Bold,

beginning with whether she was surprised by the BBC's findings.

It's not terribly surprising to me because we always know with

age-restricted products you're going to have an illicit trade and when you have an

illicit market you can have constituents in the products which can be harmful.

...