Spicy foods contain a chemical called capsaicin, which activates a receptor found in your mouth and on your tongue called a TRPV1 receptor. There is some variation in the sensitivity of these...
When you spend hours proofreading and retyping essays, you get to wondering- why do we refer to large letters as upper case, and small as lower case? It’s actually a remnant of a past where...
Bladder cancer in humans has been associated with cigarette smoking. Â Since dogs can also develop this deadly cancer, they can serve as model for evaluating treatment methods. Â In a study at the...
A breast cancer cell line known as MCF-7 is used by researchers around the world. Â The name comes from the Michigan Cancer Foundation where the cell line was first established in 1973 after...
Victims of Alzheimer’s disease experience a continuous degeneration of nerve cells. Most of the nerve cells affected are responsible for releasing acetylcholine, the neurotransmitter believed to be...
Fingerprints have been used since ancient times as a method to confirm identities. Although individuals are born with a unique set of fingerprints, these unique fingerprints can disappear. The...
During the 1970’s in Moscow, Russia excimer lasers were first developed, consisting of both reactive and inert gases. When excited electrically, the mixture of these gases produces a dimer. Thus ...
Orange and red lightning above Lake Maracaibo, Venezuela produce a spectacular phenomenon that is visible for more than 500 km. This phenomenon commences one hour after dawn and lasts for 10 hours....
Most babies are born with blue eyes because at the time of their birth melanin has not been ‘deposited’ in the iris. Melanin is a light-absorbing biopolymer synthesized from the amino acid tyrosine...