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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
ELIZABETHAN ERA GOLD COIN SOLD FOR RECORD-BREAKING PRICE
The coin minted between 1584 and 1586 celebrates England’s naval superiority.


>>> link to the article on www.sciencealert.com
CATS MEOW MORE THAN TWICE AS MUCH AT MEN, AND WE CAN ONLY GUESS WHY


>>> 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
5 CAPTIVATING IMAGES FROM NATIONAL GEOGRAPHIC’S PICTURES OF THE YEAR
‘Individually, these photographs speak to beauty, fragility, and wonder.’


>>> link to the article on www.sciencealert.com
WE FINALLY KNOW WHY ROMAN CONCRETE HAS SURVIVED FOR NEARLY 2,000 YEARS


>>> link to the article on www.popsci.com
AIR NEW ZEALAND TESTS A NEW GENERATION OF ELECTRIC PLANES
Battery and hydrogen-powered aircraft are cleared for takeoff.


>>> link to the article on www.popsci.com
40,000 ROMAN-ERA COINS DISCOVERED IN FRENCH VILLAGE
The town was important to the Celtic Mediomatrici tribe before it was conquered by Julius Caesar.


>>> link to the article on www.sciencealert.com
ROCK USED AS DOORSTOP FOR DECADES REVEALED TO BE WORTH OVER $1 MILLION


>>> link to the article on www.popsci.com
UNDERWATER ROBOT SURVIVES VOYAGE TO ‘NEVER-ACCESSED REGION OF THE PLANET’
An Argo float delivered unprecedented data after eight months beneath Antarctic ice.


>>> link to the article on www.sciencealert.com
RETRACTED: THE MONSANTO-BACKED PAPER THAT TOLD US ROUNDUP WAS SAFE


>>> link to the article on www.sciencealert.com
LANDMARK PIG ORGAN TRANSPLANTS RAISE A CURIOUS PARADOX, SAYS ETHICIST


>>> link to the article on www.sciencealert.com
VOYAGER 2 MAY HAVE CAUGHT URANUS AT A BAD TIME, SOLVING A 40-YEAR MYSTERY


>>> link to the article on www.sciencealert.com
STUDY REVEALS SURPRISINGLY OBVIOUS REASON WHY EXERCISE REDUCES CANCER RISK


>>> link to the article on www.popsci.com
PAIR OF EXPLODING STARS BAFFLE ASTRONOMERS
New images of two novae are ‘like going from a grainy black-and-white photo to high-definition video.’