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Probiotics prevented coral bleaching during a Red Sea heat wave: Study

As a heat wave settled on the Red Sea in 2022, a patch of corals in a reef 15 kilometers (9.3 miles) off the coast of Saudi Arabia reacted differently than other corals. They’d been treated with probiotics, beneficial bacteria isolated from healthy corals, and those treatments prevented the corals from bleaching, scientists now report.

A 'reality check' for lab-grown human embryo models

University of Sydney researchers have developed a new way to test how closely lab-grown biological models resemble real human embryos, finding that while some models perform well, none yet fully capture the complexity of early human development.

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