Ikigai Daily
WonderFact262 of 1,961

Plants can warn nearby plants with airborne chemical signals, turning a damaged leaf into an alarm for the neighbourhood.

Ikigai Daily

Science

Why it matters

The idea in context

When insects chew some plants, the damaged tissue can release volatile chemicals. Nearby plants may respond by changing their own defences before they are attacked. It is not speech, but it is communication — a reminder that life is full of signals humans do not hear.

Türkçe

Aynı kart, başka bir dilde.

Bitkiler havadaki kimyasal sinyallerle yakındaki bitkileri uyarabilir; zarar görmüş bir yaprak çevresi için alarma dönüşebilir.

Bazı bitkiler böcekler tarafından yenildiğinde, zarar gören doku uçucu kimyasallar salabilir. Yakındaki bitkiler saldırıya uğramadan önce kendi savunmalarını değiştirebilir. Bu konuşma değildir, ama iletişimdir — yaşamın insanların duymadığı sinyallerle dolu olduğunu hatırlatır.

Source trail

Read beyond the card.

Background reading: Plant communicationAttribution and context are revised when stronger evidence appears. Corrections are welcome through the editorial page.
Open in the iPhone appEditorial method

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These cards share a subject or mode with the one above. The route is editorial, not personalised.

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WonderHistory

The Space Race turned the sky into a political battlefield — and accidentally built the world we live in.

It began in October 1957, when Sputnik — a beeping metal sphere just 58 cm wide — passed over America and triggered the creation of NASA within a year. Twelve years later, Apollo 11 stood on the Moon. But the race's real legacy is under your thumb: weather and communication satellites, GPS navigation, and a young microchip industry supercharged by Apollo's demand for tiny, reliable electronics. The rivalry was political; the infrastructure it left behind became everyone's.

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Next in the open archiveVenus flytraps can count electrical signals, closing only after enough touches suggest prey is real.Q0278