Researchers can use a metric called the particle number concentration (PNC) to calculate the number of particles in a sample, such as the number of marbles in a jar. Subscribe to our newsletter for ...

Amid a nationwide baby formula shortage, federal investigators have been unable to definitively determine the source or sources of a rare bacteria that sickened four infants, two of them now dead, who ...

Decades of wellness studies have identified a formula for happiness, but you won’t figure it out alone. Credit...Photo illustration by Ben Denzer Supported by By Susan Dominus Growing up in Maryland, ...

A UC Berkeley labor economist this week offered a California answer to the persistent question of whether more money matters for K-12 education. Rucker Johnson, who researched the state’s decade-old ...

Researchers are sounding the alarm on microplastics and their harm to human health, questioning why governments have been slow to act despite mounting evidence of the risks. Tiny plastic particles, ...