Chemically identical synthetic versions of the hormone are often used to treat ... heart failure occurs when the heart can't ...

A review of 5 years of health records for more than 130,000 adults with insomnia who had used melatonin for at least a year found ...

Current demand for plastics and chemical raw materials is met through large-scale production of ethylene from fossil fuels.

Understanding how cells turn genes on and off is one of biology's most enduring mysteries. Now, a new technology developed by ...

Two decades ago, the mathematician Moon Duchin spent her summers teaching geometry at Mathcamp, a program for mathematically talented teens. Campers contemplated notions such as how to prove whether a ...

In a new study published in ACS Energy Letters, researchers demonstrated how a thin organic layer can split one particle of sunlight into two, potentially transforming the way solar energy is captured ...