Credit: New York National Guard

Marc Shaffer, Rachel M. Shaffer: Science saves lives

Whether tackling viruses or air pollution, we need to end the attack on science and truth.

"Nothing is so frightening as what's behind the closed door... The audience holds its breath along with the protagonist as she/he (more often she) approaches that door.

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Credit: Alex Kritchevsky

Essay: Biking in dirty air

I see toxic chemicals everywhere.

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Can low doses of chemicals affect your health? A new report weighs the evidence.

Toxicology’s founding father, Paracelsus, is famous for proclaiming that “the dose makes the poison.” This phrase represents a pillar of traditional toxicology: Essentially, chemicals are harmful only at high enough doses.

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Heroes of another kind

Covid-19 has made heroes out of millions of healthcare workers. Here are a few reporters that have earned our thanks, too.

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