Many chemicals found in our households were never adequately tested for safety. Children who are exposed to these chemicals, such as air pollutants, plasticizers and lead, are at a risk of impaired brain development.
Several crops have been reported to produce toxins due to environmental stresses caused by climate change.
High levels of mercury have been detected in Florida's Indian River dolphins and the areas local human residents because they both consume the same seafood.
Jumping spiders learn to distinguish a color -- red, in this case -- in order to suss out whether their prey is toxic or actually a really toothsome bit that nonetheless contains the color red, which is often associated with toxic creatures. This means the spiders can live longer and continue to manage agricultural pests, such as caterpillars, beetles and flies.
Heavy metals such as mercury, chrome and copper alter the brightness of some birds' feathers, making them seem less attractive to females.
Dangerous levels of domoic acid, a naturally occurring neurotoxin from algal blooms, have been detected in Dungeness and rock crabs caught along the coast of California.
After comparing urban fruits to their commercially grown counterparts, researchers have determined that the urban-grown produce is more nutrient-rich in calcium and iron and is free of lead and arsenic.
Using a combination of orange peels and industrial waste products, researchers from Flinders University have developed a material that could help clean the world's oceans by sucking up contaminates like mercury.
While evolving with specialized defenses has helped animals escape predation, long-term risks need to be considered. The simple act of camouflage or mimicry, which sufficiently confuses prey, doesn't seem to have backfired, but the use of chemical defenses has. In fact, some amphibians that release lethal toxins to kill predators are now at a higher risk of extinction.
Elephant seals are a top predator in oceans, so they consume high quantities of mercury from their prey. However, during an annual shedding period, they release this toxin right back into the ocean. This has a significant impact on marine environments.
Harvard researchers examined how downstream effects of flooding for hydroelectric development would affect local communities in this area. They found that increased toxins could devastate food supplies.
Any beachgoer, snorkeler, or diver can tell you that while the ghostly forms of jellyfish are beautiful to behold, you don't want to go anywhere near them. It's not uncommon for jellyfish stings to cause painful, paralyzing, or even lethal reactions, and it's often very difficult to tell which jellies are harmful. That's why researchers have looked into a new way to assess these bizarre creatures: by the length of their stingers.
University of York biologists are now able to better understand the toxicity of TNT left in plants at military and other sites where explosives were used. This could lead to new herbicides to remedy areas contaminated by those explosives.
Toxins from algal blooms in the Chesapeake Bay may affect human and marine species' health.
Researchers from the University of Texas at El Paso studied fourth and fifth grade children to see how air pollution affected their school work. Even after accounting for other possible contributors, they found that children exposed to higher concentrations had lower GPAs.