What is the temperature of the Earth's crust?

As you may recall learning in geology class, the Earth is made up of distinct layers. The further one goes towards the center of the planet, the more intense the heat and pressure becomes. Luckily, for those of us living ...

What are the longest rivers in the world?

There are many long rivers in the world, but which ones are the longest? Naturally, there is a disagreement over the answer to this question. While The Nile has traditionally been considered to be longest in the world, the ...

Helium: South Africa strikes new 'gold'

In a grassy plain in South Africa, once the world's largest gold producer, prospectors have stumbled upon a new treasure: helium.

Tardigrades: The last survivors on Earth

The world's most indestructible species, the tardigrade, an eight-legged micro-animal, also known as the water bear, will survive until the Sun dies, according to a new Oxford University collaboration.

Study reveals environmental impact of artificial sweeteners

The human body's inability to break down sucralose, an artificial sweetener found in many zero-calorie food and drink products, is well established by scientific research. The compound is so stable that it escapes wastewater ...

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