Technology

What is fracking?

As we exhaust more easily accessible natural gas reserves, countries across the globe are increasingly turning to shale gas. But how do you release gas that’s...

Features

What is coral?

While corals may look like rocks and share several characteristics of plants, they are in fact animals. To be exact they are aquatic marine invertebrates...

Education

How do pearls form?

Pearls develop inside molluscs – including oysters, mussels and clams – whenever a foreign particle enters its shell and irritates the soft inner tissues. If...