A practical guide to Perplexity Computer: multi-model orchestration, setup and credits, prompting for outcomes, workflows, ...

Giant pandas are among the most beloved animals on Earth—and they’re also one of conservation’s most hopeful success stories.

One python hunter, Anthony Flanagan, had a busy March eliminating the invasive snakes. He was rewarded by the South Florida ...

Pythons are spreading north in Florida, adapting to cold by using burrows. Scientists warn Brevard County is at risk.

This important paper substantially advances our understanding of how Molidustat may work, beyond its canonical role, by identifying its therapeutic targets in cancer. This study presents a compelling ...

April 20, 2026 • PEPFAR, the President’s Emergency Plan for AIDS Relief, has saved 26 million lives since President George W. Bush launched the program in 2003.

April 20, 2026 • "We women are the land guardians and keepers," says Theonila Roka Matbob of Papua New Guinea, recognized for her efforts to repair the environmental and social harms caused by a ...

OPB Passport is a free benefit of OPB membership. OPB Passport gives members extended access to stream thousands of programs on demand. Support OPB and watch your favorite shows, insightful ...

Over the past several elections our candidates and national party have spent hundreds of thousands of dollars to get our candidates on the ballot. Every state has ballot access requirements political ...

Elon Musk this week amplified an unfounded claim, based on a distortion of vaccine safety monitoring data, that COVID-19 vaccines killed tens of thousands of people in Germany. The vaccines saved ...

Background Current automatic software uses a fixed apparent diffusion coefficient (ADC) threshold (≤620×10⁻⁶ mm²/s) to ...

The ACLU strives for an America free of discrimination against people with disabilities; where people with disabilities are valued, integrated members of society who have full access to education, ...