Beef with tofu: is local beef better for the planet than tofu imports?
It might sound like eating beef from a nearby farm is not so bad for the environment, but the latest research has some revealing answers
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Clean limbs: the debate continues on whether you should wash your legs
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This week鈥檚 new questions
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Space
Mars 2020 rover cameras get eye exams to hunt life on the Red Planet
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Chemistry
Chemist Lee Cronin is building an alien to work out why life exists
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Health
I tried to eat myself smarter at a brain-boosting supper club
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Liana Finck cartoon
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Technology
Why genetically modified ‘golden rice’ failed to conquer the world
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Life
Meet Kuimba, the French-born gorilla released into Gabon’s rainforest
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Technology
How to build your own intruder alarm with basic electronics
Worried about unwanted visitors in your garden? Here's how to build a simple alarm system with basic electronics, a plastic folder, kitchen foil and a sponge
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How many Boris Johnsons does a Saturn V rocket weigh?
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Schr枚dinger’s scissors: Why can’t we see things right in front of us?
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Future fossils: Will new coal and oil reserves form once we’re gone?
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This week鈥檚 new questions
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