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UFO History
science.howstuffworks.com/space/aliens-ufos/ufo-history.htm
Modern UFO history began with the 1947 UFO sighting by pilot Kenneth Arnold. Learn the history of UFOs from ancient times to the mid-20th century.
10 Scientific Questions We Can't Answer Yet
science.howstuffworks.com/innovation/scientific-experiments/10-questions-science-cant-answer-yet.htm
Science is forever uncovering the mysteries of our universe, but some questions remain elusive. What topics have us still scratching our heads?
How Geodesic Domes Work
science.howstuffworks.com/engineering/structural/geodesic-dome.htm
If you think regular old domes took the world of structural engineering by storm, you should meet their geodesic cousins. What is a geodesic dome, and who first came up with the idea of building triangle-covered spheres as practical structures?
10 Deadly Agents the CDC Works With
health.howstuffworks.com/diseases-conditions/infectious/10-deadly-agents-the-cdc-works-with.htm
The CDC routinely handles deadly agents that can cause disease and infection. View 10 of these public health enemies to learn more.
10 Epic Magic Trick Failures
entertainment.howstuffworks.com/arts/circus-arts/10-epic-magic-trick-failures.htm
Not all magic tricks go as planned. View these 10 epic magic trick failures to learn about magic tricks gone wrong.
The D-Day Invasion: January 1944-July 1944
history.howstuffworks.com/world-war-ii/d-day-invasion.htm
This World War II timeline highlights key events from January 1944 through July 1944. Follow the events of World War II, including the D-Day invasion.
How Tunnels Work
science.howstuffworks.com/engineering/structural/tunnel.htm
Constructing a tunnel is one of the most complex challenges in the field of civil engineering. Learn about the basics behind tunnels.
Ultimate Guide to Winnie the Pooh
lifestyle.howstuffworks.com/family/activities/how-winnie-the-pooh-works.htm
Winnie the Pooh remains one of the world's most beloved characters. Go behind the scenes with a guide to the Winnie the Pooh movies and TV shows.
How the MQ-9 Reaper Works
science.howstuffworks.com/reaper.htm
Early unmanned aerial vehicles (UAVs) primarily carried out reconnaissance missions in war zones, but the Reaper packs some serious heat. Is there anything more foreboding than a drone with a Hellfire missile?
How Fossils Work
science.howstuffworks.com/environmental/earth/geology/fossil.htm
Fossils can tell us how life on Earth has evolved over time and also how the climate has changed. Find out what fossils are and how fossils formed.