28/07/2020

Quest advances to recreate sun's energy on earth

Fourteen years after receiving the official go-ahead, scientists on Tuesday began assembling a giant machine in southern France designed to demonstrate that nuclear fusion, the process which powers the sun, can be a safe ...

Biologists zero in on cells' environmental sensing mechanism

Evolutionary and developmental biologist Craig Albertson and colleagues at the University of Massachusetts Amherst report that they have identified a molecular mechanism that allows an organism to change the way it looks ...

Migratory river fish populations down 76% since 1970

Populations of migratory river fish collapsed by 76 percent on average in the last 50 years, according to a report by conservation groups Tuesday, warning the "catastrophic" declines could impact people and ecosystems around ...

Air pollution 'greatest risk' to global life expectancy

Air pollution cuts life expectancy for every man, woman and child on Earth by nearly two years, according to data released Tuesday which experts said showed poor air quality is "the greatest risk to human health".

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