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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
SPERM WHALES BLOW BUBBLES TO HELP THEM NAP
The large toothed whales are known for their signature vertical sleeping skills.


>>> link to the article on www.popsci.com
MAN BUILDS HOMEMADE X-RAY MACHINE
Only three CRT television vacuum tubes exploded in the process


>>> link to the article on www.popsci.com
INSECTS SURVIVE 1,213 FEET OF PRESSURE UNDER WATER, DEFYING PHYSICS
Lake flies challenge the explanation of why there are no insects in the open ocean.


>>> link to the article on www.popsci.com
WHAT HAPPENS IF YOU EAT TOO MANY GUMMY VITAMINS?
Don’t overdose on iron or vitamin D.


>>> link to the article on www.popsci.com
BERRY PICKER FINDS MYSTERY WW2 PLANE WRECKAGE IN POLAND
All evidence points to an Allied aircraft shot down near the German border.


>>> link to the article on www.popsci.com
ROMAN EMPERORS ONCE BANNED MEN FROM HAVING LONG HAIR
The reasoning was ‘barbaric.’


>>> link to the article on www.popsci.com
LUNA THE EAGLE CHASES OFF NEST INTRUDER, AS MOM JACKIE RECOVERS
New video also shows the fight that injured the internet-famous bald eagle mom.


>>> link to the article on www.popsci.com
ORCAS SMASH DEAD SUNFISH INTO BITE-SIZED PIECES
Scientists in the Gulf of California caught this explosive never-before-seen feeding method on camera.


>>> link to the article on www.popsci.com
IS TODAY THE HOTTEST DAY OF THE SUMMER? THE ‘OLD FARMER’S ALMANAC’ HAS 30 YEARS OF DATA FOR AN ANSWER.
The worst of summer’s heat depends on where you live.


>>> link to the article on www.popsci.com
AIRPLANE SEATS REALLY ARE GETTING SMALLER
And why we should all be grateful for airplane mode.


>>> link to the article on www.popsci.com
JIMOTHY THE RACCOON HAS A RARE SPINAL CONDITION. HERE’S WHAT THAT MEANS.
The internet’s favorite raccoon has become a symbol of resilience in Seattle. Here’s what his condition might mean for his future ...


>>> link to the article on www.popsci.com
‘SUPER WEIRD’ OBJECT MAY BE SPACE’S FIRST CONFIRMED EXOMOON
The object about 72 light-years away from Earth could be the first satellite discovered outside our solar system.


>>> link to the article on www.popsci.com
HUMANS PACKED AVOCADOS BEFORE MIGRATING ACROSS THE AMERICAS 5,000 YEARS AGO
Those same ancient avocado lineages could help protect the popular fruit today.


>>> link to the article on www.popsci.com
SPERM WHALES CHANGE HOW THEY COMMUNICATE WHEN SHIPS ARE NEARBY
Sailing by a sperm whale? They may be talking about you.