Notebook
- Particle Physics
50 years ago, physics underwent a major revolution
The discovery of new subatomic particles cemented quarks as a cornerstone of the standard model of particle physics.
- Health & Medicine
Dengue is classified as an urban disease. Mosquitoes don’t care
Infectious diseases are often labeled “urban” or “rural.” Applying political labels to public health misses who is at risk, experts argue.
- Health & Medicine
50 years ago, U.S. drinking water sparked health and safety concerns
The discovery of potential cancer-causing agents in tap water led to the Safe Drinking Water Act — a law that continues protecting public health.
- Planetary Science
50 years ago, scientists found a new moon orbiting Jupiter
In 1974, astronomers discovered Jupiter’s 13th moon.
