Vitamin C is one of the safest and most effective nutrients, experts say. Though it may not be the cure for the common cold, the benefits of vitamin C may include protection against immune system deficiencies, cardiovascular disease, prenatal health problems, eye disease, and even skin wrinkling. The tolerable upper intake level (or the maximum amount you can take in a day that likely won’t cause harm) is 2000 mg a day for adults.

Japan is thought to have one of the highest densities of vending machines in the world, with one for every 40 people in the country. While most sell various types of beverages, others feature ice cream, noodles, and disposable cameras.

Human beings can use only a small fraction of Earth’s water. In school, we were taught that most (specifically, 71 percent) of the planet’s surface is covered in water. While that’s true, humans can use only 0.007 percent of that water, according to National Geographic. That’s because only about 2.5 percent of Earth’s water is fresh water, and only 1 percent of that is accessible. The rest makes up glaciers and snowfields.

A deficiency of vitamins is a common issue that people face, as the human body requires several essential vitamins, and individuals often overlook the intake of some of them. One of these vital vitamins is Vitamin D, which plays a crucial role in regulating calcium and phosphate levels in the body.

A one-way trip on the Trans-Siberian Railway involves crossing 3,901 bridges. Not only is the Trans-Siberian Railway the longest railroad in Russia, but it’s also the longest one in the world. The journey takes seven days, during which time passengers pass through eight different time zones and cross 3,901 bridges.

There’s enough gold inside Earth to coat the planet. Turns out, there’s quite a bit of gold on—or, really, in—our planet: 99 percent of the precious metal can be found in the Earth’s core, Discover Magazine reports. How much is there? Enough to coat the entire surface of the Earth in 1.5 feet of gold.

Vitamin C is an important antioxidant that can help protect the body against various diseases and conditions. It also helps people absorb more iron from plant-based foods and plays a role in immune function, according to the NIH.
Plenty of fruits and vegetables have just as much or even more vitamin C per serving than an orange. To reap the benefits of vitamin C, include some of these healthy foods in your diet.

There are parts of Africa in all four hemispheres. For people whose education was largely focused on the Western world, it may be surprising to find out exactly how huge the continent of Africa is. For instance, it spans all four hemispheres and covers nearly 12 million square miles.

The Philippines consists of 7,641 islands. The Philippines is an archipelago, which means it’s made up of a group of islands—7,641 islands, to be exact. That figure does not include the thousands of sandbars and other landforms that emerge during low tide.

The circulatory system is more than 60,000 miles long. If a child’s entire circulatory system—we’re talking veins, arteries, and capillaries—were laid out flat, it would stretch for more than 60,000 miles, according to the Franklin Institute. By the time we reach adulthood, our bodies have become home to approximately 100,000 miles of blood vessels.

Bell peppers (Capsicum annuum) are fruits that belong to the nightshade family. They are low in calories and rich in vitamin C and other antioxidants, making them an excellent addition to a healthy diet.
They are related to chili peppers, tomatoes, and breadfruit, all native to Central and South America
Also called sweet peppers or capsicums, bell peppers can be eaten either raw or cooked. Bell peppers come in various colors, such as red, yellow, orange, and green — which are unripe.
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During his Imamate, political tension never ceased, and these conflicts eventually lead to his death. He was poisoned at the orders of the ‘caliph’ al-Mansur on 25 Shawwal, 148 A.H., or 765 A.D. He was buried in the al-Baqi Cemetery in Medina, and his tomb was a place of pilgrimage until 1926.