naure.com
NatureSurprise 4/5Difficulty 2/5Reviewed on September 17, 2026

Trees communicate with each other through an underground fungal network.

Why it is true

This symbiotic network connects the roots of different trees in the forest, allowing them to share water, nutrients, and even send warning signals about pests or droughts, acting like a true natural internet.

Source: Nature

Would you rather be asked first?

This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.

Test yourself →10-question challenge

Related facts

More in Nature

See all →