News

Researchers have developed advanced optical security features that use a two-piece metamaterial system to create a difficult-to-replicate optical phenomenon. The new security features could offer improved forgery protection for high-value products or banknotes and enhance encryption of information such as pin numbers that are physically sent to recipients.

When calculating the electrokinetic force, the convention has been to assume that there is no relative velocity of the fluid compared to the surface, which holds true for hydrophilic surfaces. However, it needs to be reconsidered for hydrophobic surfaces.

Researchers find no differences in emotional and behavioral health between kids whose parents reported using time-outs and those who didn't.

A new study gives important context to the fires burning big swaths of the Amazon today.

Study suggests that targeting an 'Eyes Absent' protein could lead to better medicine for treating PAH, a deadly lung disease.

A new article identifies a previously overlooked area that is critical for conservation: the region between southern Mexico and Guatemala where songbirds fuel up for a grueling flight across the Gulf of Mexico.

Researchers offer their insights on the non-medical use of prescription drugs among US young adults, exploring patterns and drivers of young adults' non-medical use of prescription drugs — including prescription sedatives, opioids, or stimulants — and their association with substance use disorder symptoms at age 35.

Researchers found migratory birds maximize how much light they get from their environment, so they can migrate even at night. 

Wearable sensors such as smartwatches have become a popular motivational tool for fitness enthusiasts, but gadgets do not sense all exercises equally. Researchers have found that a stationary camera is a better choice for gym exercises.

Diversity in the workplace is highly sought in theory, but often still lacking in practice. A new study shows that people tend to favor diversity for others, but prefer to work with people who are as similar to themselves as possible.