3-D Is Revolutionizing Veterinary Medicine. 3-D is helping animals — both wild and domestic — recover from injuries that might once have meant euthanasia. Animal facts and terminology can be confusing. Learn about commonly used animal terms at HowStuffWorks.

Tanzanite captivates with its pure blue or blue-violet color, which is similar to sapphire. It is color, after all, that sells colored stones, Harwick says. So better stones have more intense color and will weigh 5 carats or more. The bigger the stone and the more intense the color, the better the value.

In 2021, the US imported $160 million worth of rare-earth compounds and metals, per the US Geological Survey. That's why, the US government is pushing to mine for REEs at home instead of relying ...

The Defense Department awarded MP Materials a $35 million contract in February 2022 to build a facility specifically designed to process heavy rare earth …

According to the Tanners, that spider webbing can be controversial. "There is an ongoing debate regarding value in the turquoise world: matrix vs. clear gem turquoise," they write. "A gemologist will tell …

Chicken pox, diphtheria, and polio are only a few of the devastating diseases that have been managed with vaccines in the 20th century. According to the U.S. Census Bureau, the average life expectancy at the beginning of the 20th century was 47.3 years. A century later, that number had increased to 77.85 years, due largely to the development of ...

Worms, amoebas and the like. There are a few types of parasites that cause disease in humans. Some make a home inside you, such as trichinella spiralis, the roundworm normally contracted from eating raw or undercooked pork that causes trichinosis infections. Others are exterior pests, such as a flea sucking your blood.

"Rhodonite is a manganese-rich member of the pyroxenoid group of minerals," explains Sheryl Elen, research librarian at the Gemological Institute of …

ROIS SHOP Magnetics video testing Planet Earth Firsts HowStuffWorks. Oct 07 32 Showing the power of our neodymium rare earth magnets This is our entry level 500kg lb magnet which actually is nearer 544kg lbs HowStuffWorks Recommended for In creating Planet Earth the filmmakers wanted to capture images that had never been filmed shoot …

The 0.6-mile (1-kilometer) wide asteroid, designated " 2019 LF6," orbits the sun entirely inside Earth's orbit, completing one orbit every 151 days. It zooms within the orbit of Mercury (that orbits the sun every 88 days) and swings as far out as Venus (which has a 225-day orbit) in a wonky trajectory that flings it out of the orbital plane, a ...

The term "rare earth" is a misnomer as rare earth metals are actually abundant in the Earth's crust. However, they are rarely found in large, concentrated deposits on their own, but rather among other …

Barry Coleman. Winding through the South Carolina low country, the Cooper River is a reed-lined haven for sportfish and shorebirds. The waterway originates in Berkeley County's Lake Moultrie. From there, it proceeds all the way down to Charleston, where it merges with the Ashley and the Wando to form that city's world-famous harbor.

The majority of rainbows we see look like arches, because they are partly blocked by the ground and horizon. In reality, all rainbows are complete circles, like this one photographed over Gorssel, Netherlands. Martijn Harleman/SpaceGallery. Seeing a rainbow can feel like a reward. After a violent thunderstorm, it's nice to spot a colorful arch ...

It is pink and falls somewhere between translucent and cloudy. "Some stones come in a wide range of colors, not rose quartz," Lee says. "Rose quartz is springtime; it's Easter; it's the color of the sunset." The stone's hue can range from a pale pink to a medium-dark pink. It might also run to violet, orange- or purple-pink and occasionally a ...

See "Rare Earth: Why Complex Life is Uncommon in the Universe" for details. Advertisement. Life in the Extreme. Hydrothermal vent in the ocean floor. ... At HowStuffWorks, we've envisioned an alien world and alien life forms. In our world, the planet orbits a bright star. Only 10 percent of the world is covered with surface water, but ...

However, because platinum jewelry is more pure (typically 95 percent platinum versus 58.5 percent gold in 14 kt. gold jewelry) and more dense than gold, it will still cost a bit more than a similar gold ring," she notes. (On October 2, 2023, the price of platinum was $894.05 per ounce. Gold was $1,837 per ounce.)

Named for the colossal Titans of Greek mythology, titanium has the highest ratio of tensile strength to density of any metal on Earth. Titanium alloys (blends of titanium and other metals) boast the highest …

Rare-earth elements (REEs) are a group of 17 chemical elements considered critical for digitalization and for the energy transition. They have unique …

As we discuss what a nuclear meltdown is, it's also important to talk about what a nuclear meltdown isn't. It's not a nuclear explosion.Nor will any core melt accidents burn a hole through the center of the Earth, as popularized in the 1979 disaster film "The China Syndrome.". In a nuclear meltdown, we're faced with a reactor burning out of …

7. United States. Reserves: 2.3 million MT. While the US reported the second highest output of rare earths in 2022 at 43,000 MT, the country takes the sixth top spot in terms of global rare earths ...

Classified as 'transition metals', they are listed as follows: lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium, plus yttrium and scandium. Some scientists, however, may exclude scandium or yttrium and scandium from the rare …

Healing crystals are natural mineral formations — think a geode, a tumbled stone or a cluster — believed to have metaphysical properties that promote physical, emotional and spiritual well-being, and …

"Rhodonite is a manganese-rich member of the pyroxenoid group of minerals," explains Sheryl Elen, research librarian at the Gemological Institute of America (GIA). "The simplified chemical composition is MnSiO 3 but is usually combined with other elements or minerals like calcium and iron.". The black manganese oxides give rhodonite …

Millions of years ago, dinosaurs left their tracks in sediment. Typically, the soil was wet -- part of a shoreline, a mudflat or even the bottom of a shallow sea. As the area dried, the tracks hardened. Eventually, another layer of sediment filled the prints, protecting them from erosion or damage. Very heavy dinosaurs could also leave ...

And beyond Earth, conditions that make life possible for humans are likely rare. In turn, so-called extreme environments and the extremophile­s that populate them may be more commonplace. Here on Earth, a number of factors might earn a place the label "extreme," including the following: Advertisement. ... HowStuffWorks. …

"That is 23 more protons than the heaviest element that you can find in large quantities on Earth, uranium." Advertisement. Gates said that element 115 is an extremely rare element that's made one atom at a …

Hydrogen fuel cell kits take this idea one step further. Grove also correctly theorized that you could reverse the process, combining oxygen and hydrogen to release electricity. The result is a hydrogen fuel cell. You can't simply fling the atoms together, though. Hydrogen must be broken down into its positively and negatively charged particles ...

Magnets are objects that produce magnetic fields and attract metals like iron, nickel and cobalt. The magnetic field's lines of force exit the magnet from its north pole and enter its south pole. Permanent …

Water is the only substance that occurs naturally as a solid (ice), a liquid and a gas (water vapor). It covers about 70 percent of the Earth for a total of approximately 332.5 million cubic miles (1,386 million cubic kilometers) [source: U.S. Geological Survey]. If you're familiar with the lines "Water, water, everywhere, nor any drop to drink" from the poem …