Part 1 explores mercury’s long and complicated story from ancient alchemy to modern industry and why it’s both useful and ...

Mercury can be found in a variety of non-laboratory items such as fluorescent light bulbs, thermometers, older pressure gauges, plumbing traps, manometers, barometer, thermostats, capacitors, and ...

Tuna is one of the most popular seafoods worldwide. But this protein-rich fish can build up high levels of methylmercury from feeding on contaminated prey, like smaller fish or crustaceans. Despite ...

Sitting calmly in their webs, many spiders wait for prey to come to them. Arachnids along lakes and rivers eat aquatic insects, such as dragonflies. But, when these insects live in ...

Excavating human skeletons is the closest archaeologists can get to the people who lived in the past. Once excavated the bones are often analysed chemically in order to yield as much information as ...

PUERTO NARINO, Colombia — A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of river ...