When lightning strikes the sea, what happens to all the fish? Do they die?

Lightning is basically a bolt of high-powered electricity which prefers to travel along the path of least resistance, i.e. through a g...

How much carbon dioxide is emmited by car that travel 15 kilometreson a litre of petrol?

The dominant greenhouse gas in a car's exhaust is carbon dioxide/CO2' but other gases are also important with respect to globa...

Light from the sun is yellowish-white, so why does the atmosphere, which receives the light, appear blue?

Sunlight, before being bounced by the atmosphere, is actually  made up of the light of all different colours. Each colour results fro...

What is a mirage and why does a pond appear in the distance on a hot highway and then disappear before you reach it?

The mirage is actually a thin layer of  hot air close to the surface of the road,  heated by sunrays striking the ground. The  layer ...

If our Sun were to become a black hole, would it gobble up the Earth?

Sit back and relax. The Sun would become a black hole only if its diameter of 13,92,000 kilometres were somehow magically compressed t...

How many active volcanoes are there in the world? Which country heads the list?

Including those which are submarine (under the surface of the sea), there are 1,343 active volcanoes. Indonesia, which comprises over ...

Ozone Hole Might Slightly Warm Planet, Computer Model Suggests

A lot of people mix up the ozone hole and global warming, believing the hole is a major cause of the world's increasing average te...

Is the hole in the ozone layer behind warming?

The hole in the Earth's ozone layer may be shifting wind patterns and cloud cover in a way that triggers slightly warmer global te...

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