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Acetone-free nail polish removers

20 May 2017

Some nail polish removers are advertised as containing no acetone. These products use ethyl acetate as the solvent because it has less of a tendency to dehydrate and discolour nails. Dehydration is...

Nitric Oxide

20 May 2017

Nitric oxide is a messenger chemical used by the body to relax blood vessels and has therefore been studied for its potential to treat angina and high blood pressure. One way to increase levels in...

Pitohui

20 May 2017

The Pitohui of New Guinea is the only known bird that produces a poison. Its feathers contain batrachotoxin, a nerve toxin also found in South American poison dart frogs. The Pitohui rubs its eggs...

Smallpox

20 May 2017

Ali Maow of Somalia has the distinction of being the world鈥檚 last recorded victim of smallpox, a disease he acquired in 1977. 聽For the first time ever, through a program of vaccination and...

MRI

20 May 2017

During Magnetic Resonance Imaging the patient is placed inside a giant magnet and is exposed to radio waves. 聽Hydrogen nuclei in the body behave as tiny magnets and orient themselves with the...

Nutmeg is a drug?

20 May 2017

Nutmeg is a spice introduced to Europe by the Arabs during the middle ages. Its essential oil has been used topically to treat arthritis pain and orally with small amounts of honey or sugar, to...

Cranberries: a Superfood

20 May 2017

Cranberries are commonly associated with Thanksgiving but in early America they played a varied role. Besides the berries serving as food, the plant鈥檚 leaves were commonly used for tea or as a...

鈥淴测濒补苍鈥

20 May 2017

Xylitol often appears in candies and gum as a low calorie sweetener. It has the added benefit that unlike sugar it does not support the growth of bacteria that can cause cavities. Xylitol鈥檚 name...

Cortisol, Testosterone and Finding a Mate

18 May 2017

For animals wanting to find the healthiest mate, cortisol (stress hormone) levels in their mates could have big implications. Luckily, it appears that animals detect cortisol levels through its...

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