A new, two-step strategy for making substituted piperidines offers chemists a more efficient way to make these biologically ...

In the reaction, the nitrene binds to an electron-rich double bond near the existing nitrogen atom. Then the sulfur group ...

The researchers first took measurements of lead deposited in three Arctic ice cores every year between 500 BCE and 600 CE using techniques they have reported before. They found that lead emissions ...

Cancer immunotherapy drugs called immune checkpoint inhibitors take the brakes off the body’s immune system, allowing it to ...

An academic journal has retracted a study conducted by researchers with the science services giant Thermo Fisher Scientific ...

The cultural heritage scientist is adapting a medical imaging technique to analyze paintings in Amsterdam’s Rijksmuseum ...

REC Silicon is shutting a polysilicon plant in Moses Lake, Washington, that has struggled to achieve customers’ quality requirements. The plant is one of only a few in the US that manufactures the ...

In its latest evaluation, the EPA finds unreasonable risks to human health due to noncancer effects—such as skin ...

A sulfur-based solid electrolyte (SSE) can be prepared for about one-sixth the price of previous materials, paving the way ...

One of the first reactions that students learn in college-level organic chemistry is hydrochlorination—adding hydrogen chloride to a carbon-carbon double or triple bond. The classic textbook ...

Growing up in Salamanca, Spain, Alba Álvarez-Martín saw art taking shape around her—literally. Her father was a sculptor, but she didn’t develop the same artistic skill. Instead, her ...