Jellyfish

Jellyfish are Ecosystem Engineers

Jellyfish are ecosystem engineers reported in Hakai Magazine 19 February 2020 and bioRxiv 8 November 2019, doi.org/10.1101/784173. Tides and winds keep water flowing in most coastal regions, but in some sheltered areas among mangroves, tides and winds may not penetrate enough to keep the water moving. Scientists at University of South Florida who were studying […]

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Soft Corals

Coral Movements Disperse Oxygen

Coral movements disperse oxygen, according to a report in Inside JEB 9 August 2019 and Journal of Experimental Biology 9 August 2019 doi:10.1242/jeb.192518. Scientists in Israel have studied soft corals named Heteroxenia, which grow in the red sea. These corals have crown of feathery tentacles, arranged like a flower, that constantly fold and unfold in […]

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Warm Flowers for Beetles

Happiness is a warm flower, if you’re a beetle, according to a report in Nature, vol. 426, p243, 20 November 2003. Roger Seymour of the University of Adelaide, Australia put temperature sensors in the flowers of a tree dwelling philodendron from French Guyana. He found that during the night the flowers generated heat and maintained […]

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Seed Germination Problem

Seed germination problem solved reports New Scientist 12 June 2004, p17. Scientists who have been trying to propagate the Javan ash tree, a rare rainforest tree from northern Australia and southeast Asia, have found the secret of success – a cassowary’s digestive system. Cassowaries are large flightless birds that live in the rainforests where they […]

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