Tag Archives: Sponges

Dolphins as Toolmakers — Spongers vs Non-Spongers

While it was long thought that only humans made and used tools, we now know that a variety of apes and monkeys are toolmakers.  Elephants, crows, sea otters and octopus have also been observed making tools.  Now, we can add dolphins … Continue reading

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Sponges — Mother of Us All?

All terrestrial life came from the sea, but how did life develop in the ocean? Professor Tim Lenton of the University of Exeter, who led a new study, said: “There had been enough oxygen in ocean surface waters for over 1.5 … Continue reading

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