The Mississippi River's flow is the weakest it's been in 35 years. Seawater overtaking the river could make New Orleans' drinking water too salty for months.

Tech Insider
An aerial view of the Mississippi River in New Orleans, Louisiana.
The Mississippi River is facing a low flow rate, which could allow saltwater to pollute New Orleans' drinking water.

The Washington Post via Getty Images

'Extinct' holly tree in Brazil rediscovered living in big city, say scientists

Tech Insider : Environment
The flowers of a Pernambuco holly tree (Ilex sapiiformis).
The flowers of a Pernambuco holly tree (Ilex sapiiformis).

Re:wild/Fred Jordão

I'm the CEO of a nuclear-fusion company, but starting out was tricky because I got famous on a reality-TV show about rich kids

Tech Insider
Side by side images show Richard Dinan, a caucasian blonde man with shoulder length hair, appearing at a press event in 2012 on the left, and him fixing a component of a rocket engine on the right.
Richard Dinan, CEO of Pulsar Fusion, shown left at a press event around the time he appeared in "Made in Chelsea" on the left, and shown next to a component of a rocket engine on the right.

Nick Harvey/WireImage/Getty Images; Pulsar Fus

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

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