High levels of PFAS found in anti-fogging sprays and cloths

The anti-fogging sprays and cloths many people use to prevent condensation on their eyeglasses when wearing a mask or face shield may contain high levels of per- and polyfluorinated alkyl substances (PFAS), a new Duke University-led ...

The paradox of big data spoils vaccination surveys

When Delphi-Facebook and the U.S. Census Bureau provided near-real time estimates of COVID-19 vaccine uptake last spring, their weekly surveys drew on responses from as many as 250,000 people.

Ancestors of whale sharks in Panama may come from distant waters

The world's largest fish, the whale shark (Rhincodon typus), is a plankton-loving giant that can be found alone or in groups in all tropical oceans. However, despite being a highly migratory species, little is known about ...

Antarctic Circumpolar Current flows more rapidly in warm phases

Earth's strongest ocean current, which circulates around Antarctica, plays a major role in determining the transport of heat, salt and nutrients in the ocean. An international research team led by the Alfred Wegener Institute ...

New factor in the carbon cycle of the Southern Ocean identified

Plankton are small organisms that drift with the currents in the seas and oceans. Despite their small size, they play an important planetary role due to their immense quantity. Photosynthesizing plankton, known as phytoplankton, ...

Patterns in permafrost soils could help climate change models

The Arctic covers about 20% of the planet. But almost everything hydrologists know about the carbon-rich soils blanketing its permafrost comes from very few measurements taken just feet from Alaska's Dalton Highway.

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