Science

What is UVB and UVA? There are two basic types of ultraviolet rays that reach the earth’s surface-UVB and UVA. UVB rays are responsible for producing sunburn. In addition, the UVA rays penetrate more deeply into the skin and play a greater role in premature skin aging changes including wrinkle formation (photoaging). Read more on … Read more

Is astrology a science? Astrology has been rejected by the scientific community as having no explanatory power for describing the universe. Astrology has not demonstrated its effectiveness in controlled studies and has no scientific validity, and is thus regarded as pseudoscience. Read more on en.wikipedia.org Astrology has been practiced for a very long time. It … Read more

Our daily routines are not complete without a shower or bath. It soothes the mind in addition to cleansing the body. But have you ever questioned whether you could float in a bathtub? Although a lot of people think it’s impossible to float in a conventional bathtub, it actually is. The science of floating in … Read more

How many minutes in a tanning bed is equal to the sun? MYTH #5: 20 minutes in a tanning bed is equivalent to 20 minutes in the sun… no big deal! 20 minutes of exposure in a tanning bed may equal up to two hours spent on the beach under the hot mid-day sun without … Read more

What proof is moonshine? Moonshine usually has an ABV of 40%, but can sometimes be as high as 60%-80% ABV. Alcohol content can be converted to proof by multiplying it by two. So, 40% ABV is 80-proof. The distilling process is the key to a spirit’s alcohol content. Read more on home.binwise.com A common name … Read more

Why do pools look blue? “”When you have a small volume of water, such as in a drinking glass, it looks colorless. “”You notice the blue effect when you have a large volume of water because of the way molecules are slightly absorbing light from the red end of the spectrum. Read more on www.cnn.com … Read more

Why do people tan? UVA radiation is what makes people tan. UVA rays penetrate to the lower layers of the epidermis, where they trigger cells called melanocytes (pronounced: mel-an-oh-sites) to produce melanin. Melanin is the brown pigment that causes tanning. Melanin is the body’s way of protecting skin from burning. Read more on kidshealth.org In … Read more

How high can a popcorn kernel pop? All popcorn needs a hull in order to pop. Some varieties of popcorn have been bred so the hull shatters upon popping, making it appear to be hull-less. How high popcorn kernels can pop? Up to 3 feet in the air. Read more on www.seecalifornia.com People of all … Read more

Why do tans fade? Without intervention, a suntan usually starts to fade within a few weeks, and tan lines become less prominent until eventually they are not noticeable. This is because the body sheds dead skin cells and replaces them with new ones. A tan from tanning products also fades over time as the skin … Read more

How does painless wax work? So how do these wax beans work? You pour some of the beans into a wax pot and heat them until they melt. You want the consistency to be kind of like honey, not too watery. On the left is a pic of the wax beans before they’re melted, and … Read more