Many cactuses are covered in spikes - making them terrible to hug. But what about inside a cactus? Is it also spiky? Or is it soft and cuddly? And is it true you can find water hidden in these desert-dwellers? We asked science communicator and plant expert Brandi Cannon-Force to help us find the answer.
Got a question that’s stuck in your brain? Send it to us at BrainsOn.org/contact, and we’ll help pin down the answer.
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