The development of diamond technologies has borne that out since the material was first discovered. Diamond’s allure as a gemstone and its use as a tool due to its hardness have encouraged ...

It’s been 15 years since the global effort to ban conflict diamonds began. But the industry is still tainted by conflict and misery Story by Aryn Baker/Tshikapa Photographs by Lynsey Addario for ...

Even the best lab-grown diamonds can stir up a bit of skepticism in shoppers—and for good reason. You might wonder: How can anything concocted in a laboratory compare to what’s organically ...

By maintaining a small amount of pure oxygen in a mask at all times, positive pressure above ambient prevents toxic smoke and gases from entering the face mask and being inhaled. A 1981 NFPA ...

Learn more about it. When it comes to choosing an engagement ring, diamonds still remain the most common stone. Indeed, it seems that people still agree that nothing says forever quite like a diamond.

Until this discovery, it was believed that oxygen could not be produced without sunlight Scientists have discovered “dark oxygen” being produced in the deep ocean, apparently by lumps of metal ...

In the pendant surrounding the Hope Diamond are 16 white diamonds, both pear-shapes and cushion cuts. A bail is soldered to the pendant where Mrs. McLean would often attach other diamonds including ...

Research conducted by the National Fire Protection Association (NFPA) reveals that an overwhelming ... Depriving a grease ...

The amount of oxygen required to remove the lactic acid, and replace the body's reserves of oxygen, is called the oxygen debt. When someone who has been exercising pays back an oxygen debt ...

In this video, learn about how humans breathe with their lungs and the respiration system. Follow me please class. We're in the gym to look at how humans breathe. Every living thing needs oxygen ...

We all know the equation – hydrogen plus oxygen equals water. But now scientists have captured molecular-scale video of that famous meeting in action, which could lead to a new way to generate ...

For more information, visit our medical review board. Normal blood oxygen levels mean that there is enough oxygen in your red blood cells to keep your vital organs and tissues functioning properly.