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Biodiversity

The variety that everything else quietly depends on.

136: briefs
4: subjects
9:44: average
1324 min: in total

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science.briefs Science

All 7 in science →

13:00

Biodiversity hotspot

Norman Myers set a strict numerical bar for calling a region a biodiversity hotspot, and the resulting list of places, covering a small slice of land but a huge share of species, has since directed hundreds of millions of dollars in conservation funding.

13:00

Coral bleaching

Ove Hoegh-Guldberg predicted in 1999 that most corals would not survive this century, a forecast many dismissed at the time and that recent Great Barrier Reef surveys now appear to be confirming.

11:14

Gerty Cori

Enzyme defects cause genetic disease — and this was proven, not hypothesised.

13:00

Insular biogeography

MacArthur and Wilson's 1967 theory that island species counts balance immigration against extinction was confirmed by deliberately wiping out mangrove islands, then sparked an unresolved fight over reserve design.

13:00

Ecosystem

Arthur Tansley's 1935 ecosystem concept, coined against a rival view of nature as a superorganism, turned ecology into something measurable, and now finds only four of twenty-four global ecosystem services improving.

13:00

Giant squid

It took following sperm whales to a spot 970 kilometres south of Tokyo and a four-hour struggle on a baited line before anyone photographed a living giant squid, and it showed an aggressive hunter, not a passive drifter.

13:00

Human microbiome

Trillions of microbes live on and in every human body, and genetic sequencing has replaced old guesses about their numbers and roles — but most links between the microbiome and disease remain correlations, not proven causes.