Did seabird poop fuel rise of Chincha in Peru?

Guano dramatically boosted the production of maize, and the surplus helped fuel the Chincha Kingdom’s economy. [...]

March's Full Blood Moon Will Feature a Total Lunar Eclipse: Here's When to See It

The eclipse will be visible across North America, but you'll need to stay up late to see it. [...]

Trump orders the military to make agreements with coal power plants

The administration's "reasoning" for doing so has little connection to reality. [...]

The Fight Over US Climate Rules Is Just Beginning

As the EPA moves to roll back the endangerment finding, which allows it to regulate greenhouse gases, experts predict uncertainty for business and a protracted legal fight. [...]

MasterClass deal: Get half off subscriptions ahead of Presidents' Day

MasterClass is offering 50 percent off its annual memberships right now, cutting the cost of its plans in half for a limited time. That brings the Premium tier down to $10 per month when billed yearly [...]

Deepmind's research AI occasionally solves what humans can't and mostly gets everything else wrong

Google Deepmind's AI agent Aletheia independently wrote a math paper, disproved a decade-old conjecture, and caught an error that cryptography experts had missed. But a systematic evaluation acro [...]

Bringing the "functionally extinct" American chestnut back from the dead

Wiped out in its native range by invasive pathogens, the trees may make a comeback. [...]

Unique structure of elephant whiskers give them built-in sensing "intelligence"

The material properties change gradually from base to tip for better navigation, more precise manipulation. [...]

Nvidia’s new technique cuts LLM reasoning costs by 8x without losing accuracy

Researchers at Nvidia have developed a technique that can reduce the memory costs of large language model reasoning by up to eight times. Their technique, called dynamic memory sparsification (DMS), c [...]