articles

Deep pools below waterfalls are popular recreational swimming spots, but sometimes they can be partially or completely filled with sediment. 

Little is known concerning environmental contaminants in predators at the top of a food chain. A study published in Environmental Toxicology and Chemistry has demonstrated that new types of brominated flame retardants accumulate in the tissues of killer whales near Norway and are also passed on to nursing offspring.

The population of white sharks that call the Central California coast their primary home is holding steady at about 300 animals and shows some signs of growth, a new long-term study of the species has shown.

Pollinators in the tropics are less likely to thrive in intensive croplands, finds a new study led by UCL researchers suggesting bees and butterflies are at risk of major losses.

In recent years, foresters have been able to observe it up close: First, prolonged drought weakens the trees, then bark beetles and other pests attack.