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Where ice and sand meet

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How It Works
Issue 157
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WELCOME
WELCOME
“There was a huge surge in sightings around
HOW IT WORKS
MEET THIS ISSUE ’S EXPERTS
ANDY EXTANCE Andy is a science writer. He
REGULARS
A moth’s mouth
© Getty The proboscis, also known as the
Devil ray migration
© Getty This aerial view shows a group
Mars selfie
© NASA/JPL-Caltech/MSSS Here is NASA’s Curiosity rover atop
Massive comet is headed our way
GLOBAL EYE Showcasing the incredible world we live
American bumblebee could be endangered
The American bumblebee (Bombus pensylvanicus) population has plummeted
CEMENT FOUND IN MAN’S HEART
Hospital treatment left this patient with cement in
Climate change is making Earth dimmer
An image taken from the International Space Station
EXPLORERS ADD EIGHT MILES TO RECORD- BREAKING CAVE
The longest known cave system just set a
Vegetarian ants have steak-knife teeth
A leafcutter ant (Atta cephalotes) using its metal-laced
COVID relative found in Laos bats
Data collected from Laotian bats is strengthening the
SCIENTIS TS PINPOINT THE AGE OF MOLTEN ‘EINS TEIN RING’
New science from a stunning 2020 Hubble image
Melting ‘glue’ sent enormous iceberg to its doom
A massive iceberg was calved from the Larsen
Prehistoric people raised deadly cassowaries
Cassowaries are considered one of the world’s most
MOUNTAIN GOAT KILLS GRIZZLY BEAR WITH ITS HORNS
After being attacked by a female grizzly bear,
Rare three-sun planet may lurk in Orion’s nose
T here’s now even more evidence that a
WISH LIST
The latest CODING TOY TECH
BRAINDUMP
Amazing answers to your curious questions
THE LIBRARY
The latest book releases for curious minds
TURN A PENNY GREEN
Transform your loose change overnight with the chemical power of kitchen ingredients
INBOX Speak your mind
WIN! AN AMAZING PRIZE FOR LETTER OF THE
SPECIAL
What Are UFOs?
Unidentified flying objects do exist, but they have a range of different explanations
SPACE
WHAT DO PL ANETS SOUND LIK E?
From Martian winds to Saturn’s aurorae, how sounds add to our understanding of the planets
WHAT IS THE MULTIVERSE?
Could the universe we know just be one of infinite universes?
NASA ONMARS
How Mars missions of the past and present have greatly shaped our knowledge of the Red Planet
HISTORY
ROGER CHAFFEE
The life of this skilled astronaut was cut short by a tragic accident
COMMUNISM VS FASCISM
What are these two opposing ideologies?
WONDERS OF THE LYCURGUS CUP
How the Romans used nanotechnology to transform this ancient chalice
SCIENCE
ELECTRICITY BASICS
The science of resistance, inductance and capacitance
HOW LUMINOL WORKS
The blue glow of this forensic chemical can indicate a violent crime has taken place
WHY YOUR HEART BEATS
See inside the pump at the core of our bodies and explore its crucial role
CENTRIFUGAL VS CENTRIPETAL
There’s a dizzying difference between these forces of circular motion
TECHNOLOGY
INSIDE THE ATARI 2600
This groundbreaking console spawned a new era of home entertainment
WHAT IS THE DARKNET ?
Why the internet we see is just the tip of the iceberg
HOW PL ASMACUT TERS WORK
The science behind these efficient metal-slicing tools
ENVIRONMENT
JOURNEY TO THE Carboniferous PERIOD
What life on Earth was like more than 300 million years ago, and how it gave us coal
THE WORLD’S DEADLIEST SNAKES
What makes these reptiles so lethal?
TRANSPORT
INSIDE THE SECRET SPACE PLANE
What do we know about the US Department of Defense’s X-37B orbital vehicle?