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How the Tropics Got Their Names
Living in the Torrid Zone
The geographical zone between the Tropic of Cancer and the Tropic of Capricorn is known as the Torrid Zone - also commonly known as the tropics.
The tropics have a moist climate and lush green vegetation. It is warm to hot year-round. Some areas in the tropics such as the Sahara desert or Australian outback are defined as "dry".
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Vitamin D and sunshine
Vitamin D is essential for calcium absorption and many other biological processes. Lower levels of Vitamin D increase the rates of almost every disease like cancer, diabetes, osteoporosis, cognitiv...
Vitamin D supplementation
Getting vitamin D through supplementation shows zero benefits. A study over a period of 5 years found supplementing with Vitamin D had no impact on cancer, heart disease, or stroke.
A number of researchers now argue that people with high vitamin D levels are healthy not because of the vitamin, but because they get plenty of exposure to the sun. Vitamin D is just a marker of that fact.
Sunlight is good for you
A dermatologist discovered our skin uses sunlight to make nitric oxide, a molecule in the body that dilates blood vessels and lowers blood pressure.
He exposed volunteers to the equivalent of 30 minutes of summer sunlight without sunscreen. The result? The nitric oxide levels in the volunteers went up, and their blood pressure lowered. Because of the connection of high blood pressure to heart disease and strokes, this discovery can prevent millions of deaths globally.
Special powers attributed to gems
Many legends from different cultures share the idea that jewels are of divine or superhuman origin.
- The Amythyst was said to have been created from the tears of the ...
Exploitation of jewels
The power of jewels has been exploited by diplomats, traders, and lovers. The famous marketing slogan of De Beers is 'a diamond is forever' and creates the idea that all engagement rings must have a diamond.
However, a big sparkly diamond is not what makes jewellery so unique. People desire to have something more individual and affordable.
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Tips for Getting Back to Sleep
- Put the phone away: a big obstacle in your way is light.
- Ignore the clock: it’s only add to your stress.
- Don’t be afraid to get...