We expel carbon dioxide as waste. Naked mole rats bathe their brains in it to prevent seizures. The unique animals thrive underground but cannot handle the lack of carbon dioxide above.

Altria Group, Inc. (MO) and Philip Morris International Inc. (PM) are two of the most prominent names in the global tobacco ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...