Today’s Solutions: March 23, 2026

The deep Earth holds about the same amount of water as our oceans. That’s the conclusion from experiments on rocks typical of those in the mantle transition zone, a global buffer layer 410 to 660 kilometres beneath us that separates the upper from the lower mantle. “If our estimation is correct, it means there’s a large amount of water in the deep Earth,” says Fei Hongzhan at the University of Bayreuth in Germany. “The total

Print this article
More of Today's Solutions

More movement, more energy burned: new study challenges metabolism myth

BY THE OPTIMIST DAILY EDITORIAL TEAM The idea that your body works against you when you exercise has circulated in fitness and science communities ...

Read More

Navigating digital dating and modern relationships

BY THE OPTIMIST DAILY EDITORIAL TEAM Digital dating has changed the way we connect, creating a new vocabulary of phrases such as ghosting, orbiting, ...

Read More

Eco-anxiety and grief part I: the differences

Environmentalists have warned about climate change's effects for decades, and in light of the COP27 conference in Egypt, climate change is certainly on many ...

Read More

A glimpse into the feline world: how your cat experiences life through the se...

While cats have the same fundamental senses as humans, how they interpret and use sight, sound, smell, taste, and touch creates a unique tapestry ...

Read More