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15 juin 2018

Rising CO2 may increase dangerous weather extremes, whatever happens to global temperatures [Phys]

The paper, published today in Nature Climate Change, demonstrates that higher atmospheric CO2 concentrations directly increase temperature and rainfall extremes, meaning there could be dangerous changes in these extremes even if the global mean temperature rise remains within 1.5°C. The research highlights the need for climate policy to complement temperature goals with explicit limits on CO2 concentrations.

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12 juin 2018

The Mysterious Demise of Africa’s Oldest Trees [Yale Environment 360]

Baobabs are some of the most distinct and revered trees in Africa, living for hundreds, often thousands, of years and containing up to 500 cubic meters of wood. But scientists have discovered that an alarming number of these trees are dying — and they don’t know exactly why.

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12 juin 2018

Scientists watch bacteria ’harpoon’ DNA to speed their evolution [Phys]

Indiana University scientists have made the first direct observation of a key step in the process that bacteria use to rapidly evolve new traits, including antibiotic resistance.

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12 juin 2018

Faecal transplants could help preserve vulnerable species [Nature]

New gut bacteria can expand the diet of animals like koalas and rhinoceroses.

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11 juin 2018

Revisions to the Nature Index [Nature]

A revised list of journals improves the balance of disciplines between the natural sciences.

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