The yellow center of the 'killer chrysanthemum' contains a natural toxin that is a powerful insecticide. This flower, the pyrethrum plant, contains a potent chemical that is made into an effective, ...

Words with the letters 'ed' at the end are usually regular past tense verbs like 'started' or adjectives like ‘confused’. The pronunciation of 'ed' can change depending on which sound comes before it ...

Even the best products can be dangerous if used incorrectly. Here’s what the EPA recommends—and what experts say are completely ineffective. Aedes aegypti mosquitoes, like the one photographed here ...

In fact, any letter representing a vowel sound can be pronounced as schwa. For example, the first vowel in the word 'connect' is a schwa sound but it's written with the letter 'o', and the second ...