Gold

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Articles about Gold

664 published items.

Producing 24-karat gold with bacteria
Biology

Producing 24-karat gold with bacteria

This is not a fairy tale chicken egg story. We are talking about the existence of a truly capable bacterium ... laying gold.

December 17, 2018
Find out how to plant trees
Biology

Find out how to plant trees

Money does not grow on trees but gold is possible. An international team of scientists has found a way to develop and harvest gold from crops.

December 17, 2018
Bacteria 'lay' golden eggs
Biology

Bacteria 'lay' golden eggs

Among the most bizarre creatures in the world there is a bacterium that transforms yellow water into tiny gold ingots. Chemists always think hard about why Delftia acido…

December 17, 2018
Causes turn dragonflies from gold to red
Biology

Causes turn dragonflies from gold to red

Chemical balance between the pigments in the dragonfly's abdomen determines their color. When oxidants are present, these cells are yellow and when there are reductants,…

December 17, 2018
Find gold with bacteria
Biology

Find gold with bacteria

Testing the presence of bacteria is a way for people to quickly determine whether gold is in the soil.

December 17, 2018
Gold ants
Biology

Gold ants

The photo of a tiny ant using a tooth holding an object 100 times its mass in an upside-down position won the first prize in a photo science competition in the UK.

December 17, 2018
Black gold from Silicon Valley
Biology

Black gold from Silicon Valley

Hidro, fuel cells, electric cars - other options to replace oil are urgently sought. But they all have drawbacks. Many Silicon Valley young businesses are using genetica…

December 17, 2018
Biofuels: green gold or potential problems?
Biology

Biofuels: green gold or potential problems?

There seems to be no topic that has many different opinions in the debate about climate change as the topic of biofuels. The likelihood of them positively influencing gr…

December 17, 2018