Raw onions contain sulfur compounds that are toxic to pets.
The first mass extinction happened approximately 540 million years ago.
Evidence of ancient parrots was recently found in Siberia.
Our brains aren't just three times bigger than our ancestor's brains.
Ants are, so far, the only non-mammal species that demonstrate drug-seeking behavior.
Before 2015, the quasi-biennial oscillation happened approximately every twenty-eight months.
Ultrasound uses high frequency sound waves to create pictures of what is going on in our body.
Plants do several defensive things when confronted by insects and animals.
Learn why you sometimes have glowing red eyes in photographs.
Coffee grounds might already be making your garden incredible, soon they might be cleaning your ground water.