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Researchers estimate that 17,000 baby elephant seals have died from avian flu in Argentina and it is likely that the virus is spreading among marine mammals
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Male lyrebirds imitate a flock of birds to scare females into mating
[ad_1] By Priti Parikh Birds threatened by a predator often call out to encourage other birds to make noise and fly about, repelling the attacker as part of a “mobbing flock”. Now, researchers have found that male lyrebirds can imitate the sound of an entire mobbing flock, which they do during mating or if their […]
Guinness yeasts are genetically unique among Irish beers
[ad_1] Some yeasts currently used to brew Guinness are descendents of those used in 1903 Artur Widak/NurPhoto SRL/Alamy The yeast strains used to brew Ireland’s classic stout, Guinness, are genetically distinct from the ones used to make other Irish beers. Brewer’s yeast (Saccharomyces cerevisiae) is an essential component of beer production. During fermentation, these microorganisms […]
How did multicellular life evolve? Algae, yeast and protists like slime moulds give some hints
[ad_1] Dictyostelium discoideum “slugs” give an insight into the evolutionary origins of multicellularity Joan Strassmann The following is an extract from our nature newsletter Wild Wild Life. Sign up to receive it for free in your inbox every month. New Scientist recently reported on something I’d never heard of before: Stentor coeruleus, a single-celled organism that […]