Search Results | geological period
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Meet Archaeopteryx, a Feathered Dino With Wings and Teeth
animals.howstuffworks.com/dinosaurs/archaepteryx.htm
Archaepteryx was a very unique dinosaur in that it resembled a bird. Learn more about the Archaepteryx, Late Jurassic dinosaurs, and dinosaurs of all eras.
What If the Oceans Disappeared?
science.howstuffworks.com/science-vs-myth/what-if/what-if-oceans-disappeared.htm
People would look underground for water and maybe just stay there to escape the fiery hell on Earth's surface. But could humanity really last without the seas?
How Volcanoes Work
science.howstuffworks.com/nature/natural-disasters/volcano.htm
Volcanoes are some of nature's most awe-inspiring displays, with everything from exploding mountaintops to rivers of lava. Learn how all the different types of volcanoes work.
Are Polar Bears Endangered?
science.howstuffworks.com/environmental/green-science/polar-bear-global-warming.htm
Polar bears and global warming are getting attention from conservationists and the general public. See why polar bears are threatened by global warming.
How do trees affect the weather?
science.howstuffworks.com/nature/climate-weather/storms/trees-affect-weather.htm
How do trees affect the weather? Learn how trees can influence not only the five-day forecast, but global climate patterns and global warming.
How Tsunamis Work
science.howstuffworks.com/nature/natural-disasters/tsunami.htm
Tsunamis are water walls that travel faster than jets. See pictures, footage and diagrams of tsunamis, look at famous tsunamis and learn how tsunamis are born.
How can parts of Canada be 'missing' gravity?
science.howstuffworks.com/environmental/earth/geophysics/missing-gravity.htm
For more than 40 years, scientists have tried to figure out what's causing large parts of Canada to be "missing" gravity. The force of gravity around Hudson Bay is lower than surrounding areas. Learn about two theories that may explain the phenomenon.
Burmese Python: How the Invasive Species Affects Ecosystems
animals.howstuffworks.com/snakes/burmese-python.htm
The Burmese python is a solitary and nocturnal creature, but it's become an invasive species in Florida as a result of the exotic pet trade.
Terrestrial Planets Are the Rocky Planets of the Solar System
science.howstuffworks.com/terrestrial-planets.htm
Terrestrial planets include the four closest to our sun, including Mercury, Venus, Earth and Mars. What else makes these celestial bodies terrestrial planets?
What is soft-story seismic retrofitting?
science.howstuffworks.com/engineering/structural/soft-story-seismic-retrofitting.htm
A soft-story building has a first floor that's more flexible than the ones above -- think apartments over a department store that's mostly open space. How does soft-story retrofitting keep such buildings from collapsing in a quake?