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Central Heterochromia: When to Worry About Eye Color
science.howstuffworks.com/life/biology-fields/central-heterochromia.htm
Ever looked closely into someone’s eyes and noticed a vibrant ring of color encircling the pupil, distinct from the rest of the iris? That eye-catching trait is called central heterochromia, and it's more common than you might think.
Phineas Gage and the Birth of Modern Neuroscience
science.howstuffworks.com/life/inside-the-mind/human-brain/phineas-gage.htm
In the annals of neuroscience, few names are as memorable as Phineas Gage. His story remains a foundational example for both medical and psychology students, bridging medicine, psychology and history.
15 Must-see Mountain Ranges in the U.S.
science.howstuffworks.com/environmental/earth/mountain-ranges-in-the-us.htm
From the Arctic Circle to the warm climes of the southern border, the mountain ranges in the U.S. offer some of the most stunning, geologically diverse landscapes in North America.
Steppe: A Civilization-altering Biome Most People Can't Name
science.howstuffworks.com/environmental/earth/steppe.htm
Spanning thousands of miles across the heart of Asia and Eastern Europe, the steppe is one of Earth's most expansive and ecologically important biomes. These vast, flat grassy plains stretch from Hungary in the west to Mongolia and northern China in the east, forming what is known as the Eurasian Steppe.
Lake Natron: Where Impossibly Salty Water Matches Flamingos
science.howstuffworks.com/environmental/earth/lake-natron.htm
With its vivid red waters and stunning surrounding terrain, Lake Natron is one of East Africa's most mesmerizing and otherworldly natural wonders.
10 Types of Noses to Spot in a Crowd
science.howstuffworks.com/life/biology-fields/types-of-noses.htm
Take a glance around any crowd and you’ll notice one thing: Noses come in all kinds of shapes and sizes. From sleek and straight to curved and prominent, the many types of noses play a big role in defining our unique facial features.
The Fish Doorbell Isn't a Joke ... Seriously
science.howstuffworks.com/environmental/conservation/fish-doorbell.htm
Imagine a doorbell — but for fish. In the Netherlands, this eco-friendly innovation is making waves. The fish doorbell, or "visdeurbel," is a clever system created in the city of Utrecht to help native freshwater fish migrate more freely through canals and locks during spawning season.
15 Famous Astronauts Who Expanded Our Universe
science.howstuffworks.com/famous-astronauts.htm
Some brave explorers travel across oceans; others blast off into space. This list of famous astronauts celebrates the pioneers of space exploration — those who took "one giant leap" for humankind and expanded our reach beyond Earth.
The Worst Flood in History (and 9 Other Catastrophic Floods)
science.howstuffworks.com/nature/natural-disasters/worst-flood-in-history.htm
Floods have shaped landscapes, destroyed cities and taken lives for centuries. This list that starts with the worst flood in history looks at some of the most catastrophic floods in recorded history, from natural disasters fueled by heavy rain to human-engineered failures that ended in tragedy.
The Tri-State Tornado of 1925 Traveled Over 200 Miles
science.howstuffworks.com/nature/natural-disasters/tri-state-tornado.htm
On March 18, 1925, a massive and terrifying storm tore through the Midwest, becoming the Tri-State Tornado, the deadliest tornado in United States history.