Today’s Solutions: October 03, 2024

The Red Planet

Refueling on Mars: making biofuel from astronaut wastewater

As space exploration develops further, scientists and engineers are innovating more outlandish ways for humans to survive beyond our planet. What was once magic becomes science as experts think outside the box and brilliantly repurpose resources in closed environments, such as growing lettuce in Read More...

Toilet with flowers in it

Upcycling your "business," 5 uses of human waste

At The Optimist Daily, we keep our ears keened for news about upcycling. It’s an impressive hack, making productive use of discarded materials and waste, turning what was trash into something new. It’s a great solution toward making sustainable products, and we’re always looking for creative Read More...

France is turning this unusual

France is turning this unusual ingredient into fertilizer

Do you think about what happens to your urine after you’ve flushed it down the toilet? Most people probably don’t dwell on the subject because we think of human waste as simply that: waste. However, there are researchers and innovators who believe that it’s time for us to see that human waste Read More...

This toilet turns South Korean

This toilet turns South Korean students’ poop into cryptocurrency

We live in a world driven by consumerism. So, it’s fitting that Cho Jae-weon, an urban and environmental engineering professor and researcher at the Ulsan National Institute of Science and Technology (UNIST), has invented a toilet that turns what’s been literally consumed into green energy, Read More...