How cells control their borders

Bacteria, fungi, and yeast are very good at excreting useful substances such as weak acids. One way in which they do this is through passive diffusion of molecules across the cell membrane. At the same time, cells need to ...

Actual greenhouse gas volumes exceed official reports

Wayne Christian wanted to brag, he said, rocking in his burgundy leather chair atop the dais of the powerful Railroad Commission of Texas. Colleagues and staff were doing "a darn good job," and people who "gripe about the ...

What does the future of the global supply chain look like?

Supply chains around the world have experienced unprecedented disruption over the last year due to the COVID-19 pandemic. As leaders raced to order medical supplies to care for their country's sick, global demand shifted ...

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