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Is it time to try geoengineering to solve the climate crisis?

Environment

Is it time to try geoengineering to solve the climate crisis?

The US National Academy of Sciences says we need a research programme testing out controversial geoengineering techniques that aim to cool Earth by injecting particles into the air or thinning clouds

Analysis

meteorite

Space

4.6-billion-year-old meteorite is the oldest volcanic rock ever found

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Wind turbine

Technology

Wind turbine emoji request ends in sad face for climate campaigners

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Evidence for a hidden ‘Planet Nine’ beyond Neptune has weakened

Space

Evidence for a hidden ‘Planet Nine’ beyond Neptune has weakened

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A hydrogen fuel revolution is coming – here's why we might not want it

Technology

A hydrogen fuel revolution is coming – here's why we might not want it

Features

Chemical that makes chilli peppers spicy boosts solar panel cells

Technology

Chemical that makes chilli peppers spicy boosts solar panel cells

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How old is Earth?

Question

How old is Earth?

2020 in review: Nuclear fusion power is slowly getting closer

Technology

2020 in review: Nuclear fusion power is slowly getting closer

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Fusion power plant

Technology

UK takes step towards world's first nuclear fusion power station

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Earth’s early atmosphere may have been toxic like the one on Venus

Space

Earth’s early atmosphere may have been toxic like the one on Venus

After the moon formed, Earth was probably left with an ocean of molten rock, which may have given the planet a thick atmosphere full of carbon dioxide like the one on Venus

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Space

Earth had a minimoon for nearly three years before it drifted away

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Technology

Portable device uses solar power to sterilise medical equipment

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Environment

How are sand dunes formed and why do they even exist?

Features

Space

Flashes of light called ‘sprites’ and ‘elves’ seen on Jupiter

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