Birds around the world share a mysterious warning cry

Birds separated by vast geographic distances and millions of years of evolution share a remarkably similar learned vocal warning to identify parasitic enemies near their nests, an international team of researchers has found. The results represent the first known example of an animal vocalization that is learned from an innate response shared across multiple species….

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Galaxies fling out matter much more violently than we thought

Black holes are extremely powerful matter distributors NASA Image Collection/Alamy Unexpectedly violent black holes may have caused the mystery of the missing cosmic matter. Most of the universe is filled with mysterious dark matter, but even ordinary matter has stumped cosmologists. Some of this normal matter – made up of particles called baryons – seemed…

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Pharmacies facing angry patients over Covid jab confusion

Nick TriggleHealth correspondent and Jim ReedHealth reporter Getty Images Covid vaccination Pharmacists in England say they are facing “major issues” with large numbers of patients booking appointments for Covid jabs only to find they are no longer eligible. The criteria has been tightened this year so that only those aged 75 and older are being…

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