A schematic of manganese nodules mining on the deep sea floor.

The Potential Pros and Cons of Seabed Mining

Concentrations of iron manganese nuggets and other metals in the deep seabed have stirred up interest in mining. But at what cost?
Polar Bear Walking On A Rocky Shore Line

Climate Change and the Endangered Species Act

The Trump administration has moved to significantly weaken the ESA, limiting consideration of climate change when identifying species as endangered.
Mouse embryo

Get Ready For Human-Animal Hybrids

New progress in stem-cell research raises some thorny ethical questions.
Crop circle in Switzerland

Pssst, Crop Circles Were a Hoax

In the late 1970s, mysterious circular patterns started showing up in farm fields.
Ira Jackson pulls his boat through a flooded street September 5, 2005 in New Orleans, Louisiana after Hurricane Katrina

How Toxic Are Flood Waters?

While flood waters can be extremely polluted, researchers have found the lasting impact is different from what one might expect.
archaeologists Franck Goddio and his team inspect the colossal red granite statue of a pharaoh of over 5 metres height, weighing 5.5 tons, and shattered into 5 fragments. It was found close to the great temple of sunken Heracleion.

The Lost City of Heracleion

Once a bustling metropolis, this long-lost Egyptian city flooded, sank, and was forgotten -- until archeologists rediscovered it.
Illustration of reservoir in Austrian mountains supplying water for storage in hydroelectric turbines

Renewable Resources Call For Increased Power Storage

Solar and wind power are great renewable options, but to store the energy that's produced, we're going to to need bigger batteries.
A billet of highly enriched uranium

What Is Enriched Uranium?

And what does it mean that Iran has enriched uranium past the 4.5% level?
An illustration of vitamin pills

How Dietary Supplements Can Cause More Harm Than Good

The real problem with useless vitamins and other supplements? A psychological side effect known as "illusory invulnerability."
Sand Octopus (Octopus kaurna)

How to Make Quicksand Like an Octopus

When it comes to camouflage, the sand octopus has some truly amazing techniques.