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Eight new substances — including formaldehyde and styrene — have been added to the US Department of Health and Human Services' Report on Carcinogens, bringing the total number of chemicals in the report to 240. Formaldehyde was named as a known carcinogen, while styrene is anticipated to be a carcinogen. Formaldehyde, The New York Times says, is abundant, found in items as diverse as particle board, hair care products, and embalming fluid. "It's the smell in new houses, and it's in cosmetics like nail polish," says Otis Brawley, the chief medical officer of the American Cancer Society. "All a reasonable person can do is manage their exposure and decrease it to as little as possible. It's everywhere." Styrene, too, is found in many items like boats and car parts, but usually at lower concentrations, and as such is more of an issue for workers who build those items, rather than the consumers.

The Scan

Interfering With Invasive Mussels

The Chicago Tribune reports that researchers are studying whether RNA interference- or CRISPR-based approaches can combat invasive freshwater mussels.

Participation Analysis

A new study finds that women tend to participate less at scientific meetings but that some changes can lead to increased involvement, the Guardian reports.

Right Whales' Decline

A research study plans to use genetic analysis to gain insight into population decline among North American right whales, according to CBC.

Science Papers Tie Rare Mutations to Short Stature, Immunodeficiency; Present Single-Cell Transcriptomics Map

In Science this week: pair of mutations in one gene uncovered in brothers with short stature and immunodeficiency, and more.