Q&A

How do climbing plants climb?

Climbing plants normally start by creeping along the floor until they reach a stem. Once they touch something, the physical contact triggers chemical changes that stimulate the climbing behaviour and the plant begins to grow against the direction of gravity.

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Six real-life Star Wars worlds

The Stars Wars universe has been captivating audiences for decades, but astronomers are beginning to find alien worlds that bear an uncanny resemblance to the planets dreamt up by George Lucas.

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