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For educational purposes, links to interesting articles on external sites are provided below. We have no control over the contents of those sites and accept no responsibility for them and information in them. If you decide to access these sites, you do so entirely at your own risk and in compliance with the terms and conditions of use of such websites. 

>>> link to the article on www.popsci.com
THE BEST REFURBISHED GADGETS TO BUY (AND WHERE TO FIND THEM)
Save a substantial amount of money on nearly-new tech.


>>> link to the article on www.popsci.com
‘STAR TREK’ AND NASA HAVE INTERTWINED LEGACIES
The show championed diversity and inspired generations of real space scientists.


>>> link to the article on www.popsci.com
HOW SOYBEANS TOOK OVER THE AMERICAN DIET – WITHOUT ANYONE NOTICING
Henry Ford dreamed of erasing the boundary between farm and factory.


>>> link to the article on www.popsci.com
500 SNAILS MAILED TO TAHITI TO RECLAIM THEIR NATURAL HABITAT
The literal snail mail is all to help save extinct-in-the-wild ‘Partula’ snails.


>>> link to the article on www.popsci.com
3 MYTHS ABOUT THE WEATHER
Lighting hits the same place twice constantly.


>>> link to the article on www.popsci.com
WHY IT’S SO HARD TO PREDICT A TRAGEDY LIKE NEPAL’S GLACIER COLLAPSE
Melting glaciers spell disaster around the world. Protecting people will be a challenge for decades to come.


>>> link to the article on www.livescience.com
STABBED, CUT, ATTACKED, TWISTED — SCIENTISTS SUBJECT NEW STRETCHABLE BATTERY TO EXTREME TORTURE, AND IT RETAINED 90% OF ITS CAPACITY
A new stretchable hydrogel battery can withstand extreme conditions and still operate effectively, scientists say.


>>> link to the article on www.popsci.com
HOW TO FIND THE BEST NEW TECH ON CROWDFUNDING WEBSITES
Find weird and wonderful gadgets first, and get discounts on retail prices.


>>> link to the article on www.livescience.com
UNIVERSE MAY REVOLVE ONCE EVERY 500 BILLION YEARS — AND THAT COULD SOLVE A PROBLEM THAT THREATENED TO BREAK COSMOLOGY
A slowly spinning universe could resolve a puzzle in physics known as the Hubble tension, a new model suggests.


>>> link to the article on www.popsci.com
SINGLE CALIFORNIA CONDOR MOTHER GETS HELP RAISING HER CHICK
After coming back from the brink of extinction in the 1980s, the birds are still considered critically endangered.


>>> link to the article on www.popsci.com
16 SPLASHY AND SPECTACULAR IMAGES FROM THE 2026 OCEAN PHOTOGRAPHER OF THE YEAR AWARDS
From a pod of dolphins riding a wave to a seahorse the size of a grain of rice.


>>> link to the article on www.popsci.com
YOSEMITE NATIONAL PARK HIGHLIGHTS INDIGENOUS ARROWHEAD CRAFTING
Called knapping, the skilled process dates back thousands of years.


>>> link to the article on www.popsci.com
TINY CRABS DISCOVERED HITCHING RIDES ON SEA SNAKES
It wasn’t the wisest move, unfortunately.


>>> link to the article on www.popsci.com
DOG POOP NOT PICKED UP? BLAME PEOPLE STARING AT THEIR PHONES.
Most dog owners really are diligent, but smartphones are distracting.