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Why Some People Tolerate Spicy Foods Better Than Others

12 Jun 2017

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...

Why is it called upper and lower case?

7 Jun 2017

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...

A Leg-Raising Experiment

2 Jun 2017

Bladder cancer in humans has been associated with cigarette smoking.  Since dogs can also develop this deadly cancer, they can serve as model for evaluating treatment methods.  In a study at the...

MCF-7 Breast Cancer Cell Line

2 Jun 2017

A breast cancer cell line known as MCF-7 is used by researchers around the world.  The name comes from the Michigan Cancer Foundation where the cell line was first established in 1973 after...

Galantamine

2 Jun 2017

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

2 Jun 2017

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...

Excimer Lasers

2 Jun 2017

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 ...

Catatumbo Lightning

2 Jun 2017

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....

Blue Eyes

2 Jun 2017

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...

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