US Army engineers are dredging the dwindling Mississippi River 24/7 and battling seawater creeping upstream toward New Orleans' drinking water

Tech Insider : Environment
A photo of one of the ships being used in New Orleans to try and stop salt water from getting into the Mississippi.
The New Orleans division of the USACE is working 24/7 to fight the salt water.

USACE

Scientists finally finished mapping Earth's 8th continent Zealandia, helping them solve the lost continent's mysterious history

Tech Insider
Zealandia
Scientists now have a complete map of Zealandia.

Nick Mortimer/GNS Science

6 ways humans are transforming Antarctica from a pristine preserve to a polluted wasteland

Tech Insider : Travel
Emperor Penguin chicks
Emperor Penguin chicks at colony Snow Hill Island, Antarctica, where part of the ice melted killing thousands of baby penguins.

David Tipling/Education Images/Universal Images Group via Getty Images

A pair of sandals from the Stone Age reveals that ancient people were not immune to unfortunate fashion choices

Tech Insider
Prehistoric sandals
Scientists have confirmed that sets of sandals found in a bat cave in southern Spain could be up to 6,200 years old.

Universal History Archive/Universal Images Group via Getty Images

A microbiologist explains where and what she won't eat to avoid food poisoning

Tech Insider
A person putting food down on a buffet table
Buffets can be contaminated by other peoples germs or have food that has sat out for too long.

GoodLifeStudio/Getty Images

The 9 locations around the world where sharks attack most, from Florida to Western Australia

Tech Insider
Great White Shark
Great white shark.

Shutterstock

Australia is being plagued by vicious and vindictive swooping magpies, and people say they are terrified

Tech Insider
An Australian magpie is shown giving a camera the side eye as it swoops down toward a cyclist.
An Australian magpie captured swooping down on a cyclist.

Darren Pateman/Fairfax Media via Getty Images

The 2023 harvest moon is also the last supermoon of the year. Here's the best time to see it when it rises Friday.

Tech Insider
An orange moon above a nighttime city skyline.
A supermoon rises behind a downtown office building in Kansas City, Missouri.

Charlie Riedel/AP

Photos show the 3.86 billion-mile journey of NASA's OSIRIS-REx asteroid sample mission from start to finish

Tech Insider
OSIRIS REx nasa spacecraft bennu asteroid sampling lockheed martin
Artist's illustration of NASA's OSIRIS-REx probe sampling an asteroid.

Lockheed Martin

A group of bull sharks lived in a golf course pond for 17 years. Scientists say they could be in other ponds in Australia

Tech Insider
A collage of a bull shark and an aerial photo of a golf course pond.
The bull sharks found in Carbrook Country Club lived for over half a bull sharks expected life span.

Getty Images

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