President Donald Trump announced a plan[1] to build a missile defense system, called the Golden Dome, on May 20, 2025. The system is intended to protect the United States from ballistic, cruise and hypersonic missiles[2], and missiles launched from space.
Trump is calling for the current budget to allocate US$25 billion to launch the...
I approach a flock of mountain chickadees feasting on pine nuts. A cacophony of sounds, coming from the many different bird species that rely on the Sierra Nevada’s diverse pine cone crop, fill the crisp mountain air.
The strong “chick-a-dee” call sticks out among the bird vocalizations. The chickadees are communicating to each other...
Air traffic controllers have been in the news a lot lately.
A spate of airplane crashes and near misses have highlighted the ongoing shortage[1] of air traffic workers, leading more Americans to question the safety of air travel[2].
The shortage, as well as aging computer systems, have also led[3] to massive flight disruptions[4] at airports...
Why do people get fevers when we get sick?
It’s a common misconception that pathogens[1], such as SARS-CoV-2 or the flu, cause fevers. But as biology[2] professors[3], we know it’s not that simple. Pathogens cause fevers only indirectly.
When your immune system detects harmful microbes, your body raises its internal temperature to create a...