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Joey Kyber/Pixels

Biomining the elements of the future

Fill a tank with water, sugar, and old mobile phones. Add bacteria and stir. Result? Rare earth metals. This is biomining, and it's the way of the future.
It turns out that the world is about 4,600,000,000 years old. That’s 4.6 billion years. That’s pretty old! Marcella Cheng/The Conversation

Curious Kids: How do scientists work out how old the Earth is?

The world is made of tiny building blocks called 'elements'. Scientists have worked out how fast some elements change into other elements. That gives us a very big clue about how old the Earth is.
Physicists Joe Hamilton, who discovered tennessine, and his colleague A. V. Ramayya autograph a period table on June 8, 2016. (AP Photo/Mark Humphrey)

Four new elements named – here’s how the periodic table evolved

Some 18 elements have had placeholder names derived from the Latin to stop scientists fighting over what their discoveries should be called.

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