IF YOU KNOW you’ve been exposed to something potentially toxic, seek emergency medical care. Some signs that this may have ...

Africanized honeybees are now found in 13 states and are slowly spreading north, attacking people, livestock and pets along ...

Animal Aid hosted a roundtable in Westminster, to meet with MPs and other invited guests to discuss the ending the LD50 and other animal tests.

Animal Aid and our supporters have been at the forefront of campaigning to end the use of animals in research. Progress has ...

The Fertilizer and Pesticide Authority (FPA) in Central Visayas is intensifying its efforts for stricter regulation of fertilizers and ...

Scientists say the bees' temperament is to ward off predators. But unsuspecting humans will find them to be aggressive, spiteful and terrifying.

In toxicology, researchers speak of the LD50, the lethal dose required to kill 50% of those exposed to it, Rangel said. For honey bee stings, it's calculated at about nine stings per pound of weight.

In toxicology, the median lethal dose, LD50 (abbreviation for "lethal dose, 50%"), LC50 (lethal concentration, 50%) is a measure of the lethal dose of a toxin, radiation, or pathogen. The value of ...

Toxicology testing has a rather controversial history with regard to animal welfare, partially because many people think of the LD 50 (lethal dose 50%) study, in which a sufficient quantity of the ...

Africanized honey bees, commonly (and ominously) known as “killer bees,” have slowly spread into 13 U.S. states, leaving ...