Humans evolved in an atmosphere containing roughly 200–300 parts per million (ppm) of carbon dioxide (CO₂). Today, that figure sits above 420 ppm, higher than at any point in the history of our ...

Some of the thinnest materials known to humankind -- MXene and MBene compounds -- may provide solutions to scientists in their quest to curb the effects of global warming. These substances are only a ...

This is a preview. Log in through your library . Abstract The roles of inorganic carbon and light availability in the quantitative distribution and photosynthetic productivity of submersed aquatic ...

Paradoxically, previous research has shown that despite its inherent health risks, cigarette smoking is linked with a reduced risk of Parkinson's disease (PD). Until now, however, it was not clear how ...