Popular Science. Demystifying the worlds of science and technology since 1872.

How to make an egg bounce
Eggshells are no match for acetic acid in this rubber egg experiment.

The Earth once vibrated for 9 days straight
Plus other weird things we learned this week.

Rachel Feltman
At Popular Science, we report and write dozens of stories every week. And while a lot of the fun facts we stumble across make it into our articles, there are lots of other weird facts that we just keep around the office. So we figured, why not share those with you? Welcome to The Weirdest Thing I Learned This Week.
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Lab-grown teeth could be the future of dentistry
A stem cell research breakthrough paves the way for bioengineered chompers.

How to bowl a strike—mathematically
Differential equations may improve training regimens and tournament design for bowlers.

Put more sauerkraut on your hot dog (your gut might like it)
The dish may be one of the many fermented foods linked to better digestion.

Why Honda built an off-roading course in the middle of the ocean
A family in Puerto Rico dreamed of building a retreat for kids with cancer.

Do Inuit languages really have many words for snow?
The most interesting finds from our study of 616 languages.

Ice age humans built sophisticated fireplaces
Some structures could withstand over 1,112 degrees Fahrenheit.

Inequality isn’t inevitable, according to ‘unprecedented’ archeology study
Researchers analyzed 50,000 ancient homes across six continents.

World’s tallest bridge nears completion in China
The Huajiang Canyon Bridge is built 2,051 feet above the Beipan river.

Cutting edge: The cautious optimism for psychiatric brain surgery
For some patients, removing brain tissue can help treat OCD and other disorders. But ethical concerns remain.
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