Ask the goldilocks planet: it doesn't care (1)
16 April 2019
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Premium
Population replacement may have been different (3)
16 April 2019
Population replacement may have been different (2)
16 April 2019
Population replacement may have been different (1)
16 April 2019
Your piece on the school strike gives me hope
16 April 2019
First class post – 20 April 2019
16 April 2019
Editor's pick: It's past time for ordinary climate solutions
16 April 2019
Magnificent pumas photographed in snowstorms and whilst catching prey
16 April 2019
Pumas in Chile's Torres del Paine National Park have hard lives. It rains and snows year-round, and winds reach speeds of up to 150 kilometres per hour
Toast, not toast
16 April 2019
Heating bread in a toaster and a microwave oven creates very different results. What do microwaves do to bread?
Core Subject
16 April 2019
At school we were shown that heating a bar magnet caused it to lose its magnetism. How then, if the iron core of Earth is at a temperature high enough to liquefy it, does it generate a vast magnetic field?
