From plastics to flame retardants, the ubiquitous chemicals of our daily lives have raised public health concerns like never before. Inside the Beltway, however, data-crunching scientists are often no match for industry lobbyists and corporate lawyers. The exception, no doubt, is Linda Birnbaum, the toxicologist who leads, two little-known scientific agencies, the National Institute of Environmental Health Services (NIEHS) and the National Toxicology Program (NTP).

Europe is set to quash a precedent-setting initiative designed to tackle a disturbing side effect of common drugs — their impact on aquatic life. Nature has learned that landmark regulations intended to clean Europe’s waterways of pharmaceuticals are likely to be dead on arrival when they reach a key vote in the European Parliament.

Chronic exposure of bumblebees to two pesticides (a neonicotinoid and a pyrethroid) independently and in combination, at concentrations approximating field-level exposure, impairs natural foraging behaviour and increases worker mortality, with knock-on effects for brood development and colony success.

The rich, roasted aroma of coffee or the golden-brown colour of crispy French fries are enough to set most mouths watering. But the high-temperature cooking that gives these foods their alluring taste, scent and texture also adds a sting: acrylamide, a probable human carcinogen.

Mercury, a highly toxic heavy metal, has contaminated the environment of Sonbhadra in Uttar Pradesh. This new lab study by Centre for Science and Environment found the metal in not just soil and water samples, but also in people's blood.

Upadhye et al. have discussed an interesting aspect of Ayurvedic medicines. They have considered ‘involuntary adulteration’ in the preparation of Ayurvedic medicines due to the use of plant species which have the same or similar names, but are essentially different constituently. (Correspondence)