Traces from some of the earliest animals reveal when they began to sense light.
01 June 2026
Traces from some of the earliest animals reveal when they began to sense light.
This looping track, now preserved as a fossil, was made by an animal living more than 500 million years ago. Credit: Zekun Wang
Sea-floor trails left by animals more than half a billion years ago could be the earliest evidence of the evolution of vision1.
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Impresse 10 milioni di anni prima dei vertebrati a 4 zampe (ANSA)
