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Earth's Oldest Color Was Pink
science.howstuffworks.com/life/cellular-microscopic/earths-oldest-color-was-pink.htm
Scientists have found that ancient fossilized chlorophyll was dark red and purple in its concentrated form, which means that when diluted by water or soil, it would have lent a pink cast to earth and sea.
Mars Has an Actual Lake
science.howstuffworks.com/mars-has-lake.htm
Italian scientists have discovered a lake filled with liquid water under the ice cap at the south pole of Mars.
Ploonets: When Moons Become Planets
science.howstuffworks.com/ploonets.htm
Moons of giant planets outside the solar system may be pushed out of their orbits and begin to circle their stars separately. HowStuffWorks takes a look.
No One Can Live Without a Mesentery, But What Does It Do?
health.howstuffworks.com/human-body/parts/mesentery.htm
In 2017, scientists discovered the 79th organ of the body. What took them so long and what does it do?
Deep Sea Jellyfish Have 30-foot-long Tentacles
animals.howstuffworks.com/marine-life/deep-sea-jellyfish.htm
In the deepest, darkest parts of the ocean, far below where visible light can reach, swims one of the strangest animals on Earth: the deep sea jellyfish. These mysterious creatures thrive in a zone so dark and pressurized it's nicknamed the midnight zone.
Depression Overview
health.howstuffworks.com/mental-health/depression/facts/depression.htm
Understanding how depression works can help improve daily life and health problems. Learn about how depression works, from causes to treatments.
How Acoustic Levitation Works
science.howstuffworks.com/acoustic-levitation.htm
The idea that something so intangible as acoustic levitation can lift objects may seem unbelievable, but it's a real phenomenon.
How Cellulosic Ethanol Works
science.howstuffworks.com/environmental/green-tech/energy-production/cellulosic-ethanol.htm
Cellulosic ethanol could provide us with a new, green source of energy. Learn all about cellulosic ethanol at HowStuffWorks.
How Much of Our Brain Do We Use? Debunking the Myth
science.howstuffworks.com/life/inside-the-mind/human-brain/ten-percent-of-brain.htm
It doesn't exactly seem like something the human body would do, let a large portion of itself go to complete waste. Is it true that most of your brain is on permanent hiatus?
How Nanowires Work
science.howstuffworks.com/nanowire.htm
Nanowires are incredibly thin structures that have an incredible length-to-width ratio. Learn about nanowires and how nanowires are created.