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Is Every Snowflake Actually Unique?
science.howstuffworks.com/nature/climate-weather/atmospheric/is-every-snowflake-actually-unique.htm
You've probably heard that no two snowflakes are alike, but how can that be true? Find out how molecules of water vapor come together to form these winter wonders.
Is Glass Recycling in the U.S. Broken?
science.howstuffworks.com/environmental/green-science/glass-recycling.htm
Only 25 percent of glass containers used by U.S. consumers were recycled in 2018, the most recent year for statistics. So, why aren't Americans doing better?
Is It Harmful to Breathe 100 Percent Oxygen?
science.howstuffworks.com/question493.htm
We have to breathe oxygen to live, so are we better off breathing pure oxygen?
Is It Time to Redefine the Four Seasons of the Year?
The four seasons experienced by Earth's midlatitude regions are being gradually altered by global warming - but a climate expert says they won't completely go away.
Is Light Matter and Does It Weigh Anything?
science.howstuffworks.com/light-weigh.htm
Seven ounces a ray! No, that's a lie. Measuring the weight of light is not as straightforward as that. So what's the more complicated explanation?
Is Lightning Without Thunder Safe?
science.howstuffworks.com/nature/climate-weather/storms/safe-from-lightning-if-not-thundering.htm
Simon and Garfunkel. Peanut butter and jelly. Thunder and lightning. Some things are just better when they roll in pairs. But while we know that '60s folk singers and classic foodstuffs can also roll solo, what about these stormy BFFs?
Is North Korea Equipped to Attack the United States?
science.howstuffworks.com/north-korea-threat.htm
The Kim Jong Un regime continues to demonstrate its desire to threaten the U.S. and its allies with nuclear-armed ICBMs. But can any of these missiles actually reach the U.S. mainland?
Is Ophiuchus the 13th Zodiac Sign?
Thousands of years ago, the Babylonians created the zodiac and dropped a constellation when it didn't quite fit into their schematic. Its name? Ophiuchus. Should it be part of our horoscope?
Is Permafrost Really, Well, Permanent?
science.howstuffworks.com/environmental/earth/geology/permafrost.htm
Permafrost across the globe is rapidly melting. What could this mean for the future of the planet?
Is Planet Nine Actually a Primordial Black Hole?
science.howstuffworks.com/planet-nine-black-hole.htm
As the search for Planet Nine wears on, researchers are pondering what else object could be. HowStuffWorks asks the question and talks to an expert.