Engineers bolted ultrasonic speakers to turbines at a Pennsylvania wind farm and searched the ground beneath them every day for two…
By Brendan Brown · Aug 24, 2026
What's new in
Earth & Environment
Climate, energy, ecology, and the systems that keep the planet running.
Texas ranchers now run sheep across roughly 68,000 acres of solar farms, more than half the American solar-grazing map, because goats climb…
By Brendan Brown · Aug 23, 2026
One tonne of discarded mobile-phone handsets can contain about 130 kilograms of copper, 3.5 kilograms of silver and 300 to 350 grams of gold
Aug 23, 2026
If you compressed Earth's entire atmosphere down to sea-level density, it would form a shell only about eight kilometres thick around a…
Aug 22, 2026
Singapore treats trees as more than decoration
By Daniel Moran · Aug 22, 2026
Americans throw away 50,000 mattresses every day, and what makes them a landfill nightmare isn't the foam or chemicals
By Brendan Brown · Aug 22, 2026
Humans have visually observed less than 0.001 percent of the deep ocean floor
Aug 22, 2026
Researchers following 196 radio-tagged sea otters off California found that otters using rocks, shells and other objects as tools could…
Aug 21, 2026
The mantis shrimp punches with the acceleration of a .22 calibre bullet, creating a cavitation bubble that collapses at nearly the…
Aug 21, 2026
The worst mass extinction in Earth's history struck 252 million years ago, before dinosaurs had even appeared
Aug 21, 2026
On 16 September 2023, seismometers on every continent began recording the same signal repeating every 92 seconds, and it continued for nine…
By Brendan Brown · Aug 21, 2026
Perovskite solar cells began at just 3.8% efficiency in 2009. Seventeen years later, a perovskite-silicon tandem cell has hit a certified…
By Lachlan Brown · Aug 21, 2026