New study shows how Salmonella colonises the gut

(Phys.org) —Salmonella is a major cause of human diarrhoeal infections and is frequently acquired from chickens, pigs and cattle, or their products. Around 94 million such infections occur in people worldwide each year, ...

Space-age domes offer a window on ocean acidification

(Phys.org) —A row of space-age domes off the Washington coast may provide a peek at the future. Not the future of space travel, but of climate change and the effects of increasingly acidic oceans.

Sea urchins cope with rising CO2 levels

(Phys.org) —Increasing levels of carbon dioxide (CO2) in the atmosphere are causing oceans to become more acidic. This situation poses a threat to marine organisms with shells made of calcium carbonate, because acid will ...

The ethics of resurrecting extinct species

(Phys.org) —At some point, scientists may be able to bring back extinct animals, and perhaps early humans, raising questions of ethics and environmental disruption.

First tapeworm genomes give insights into parasite evolution

Tapeworms have no gut or head. They are parasites that cause debilitating diseases, which can be deadly and often don't respond to drugs. Now, scientists have mapped the genetic code of tapeworms for the first time, the journal ...

Researchers succeed in making generations of mouse clones

Using the technique that created Dolly the sheep, researchers from the RIKEN Center for Developmental Biology in Kobe, Japan have identified a way to produce healthy mouse clones that live a normal lifespan and can be sequentially ...

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