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Earth's past and future ice

10 April 2019

Climate change means that nearly all glaciers in the Alps may disappear, and ancient ice is also involved in a search for climate change clues in Antarctica

We have zero tolerance for unclean water. Air should be no different

10 April 2019

Faced with incontrovertible evidence of risk, we adopted the policies that protect us for water-born disease. Now we must do the same for our polluted air

Speed Limits

10 April 2019

The most powerful cars intended for road use tend to have a top speed that ranges between 300 and 350 kilometres per hour. Is this due to some physical limitation or just practicality of design because you will never be able to reach these speeds let...

Getting Ahead

10 April 2019

My fringe seems to grow faster than the rest of my hair. Is this just because I notice it more or does hair grow at different rates on different parts of the head?

Current Affairs

10 April 2019

Discussions of the weather patterns over the UK and Ireland often used to mention the importance of the Gulf Stream ocean current. Today we hear much about the role of the jet stream high above the ground, but nothing about the Gulf Stream. Why is this?

Fuzzy thinking (continued)

10 April 2019

What is the function of the fuzz on the skin of a peach? And is a nectarine a bald peach or a peach a fuzzy nectarine?

Toe uncurling

10 April 2019

A friend recently passed on a tip for treating cramp. He said I should cup my hands over my nose and mouth and inhale my exhaled breath. It seems to work quite quickly for cramp in my toes. Is that a coincidence or placebo, or is there a rational explanation?...