Move will leave agency with three of five board members

Brands like Juul deliver a form of nicotine that is less harsh to inhale than free-base nicotine

Move will leave agency with 3 of 5 board members

Agency urges the chemical industry to better prepare for extreme weather

Updated following the West, Texas, fertilizer explosion, rule is intended to prevent incidents at facilities handling large amounts of hazardous materials

Trace water that gets into organic solvents can participate actively when molecules start to self-assemble

New investor takes on a company trying to combine a range of pharmaceutical services

Agency urges the chemical industry to better prepare for extreme weather

Added surface glycine residues cause partial unfolding that adapts enyzyme to low temperatures

New investor takes on a company trying to combine a range of pharmaceutical services

Though initially daunting, stricter fuel economy and emission standards result in automotive innovations

Simple pieces of equipment decrease the danger of moving small volumes of chemicals prone to igniting

Basel Convention would help control flow of used material displaced by China’s ban

Simple pieces of equipment decrease the danger of moving small volumes of chemicals prone to igniting

Chair departs, investigators leave, staff fears changing mission

Improvements to device may eventually cut external power demands for buildings by 50%

Sensor material outperforms conventional material by combining high transparency and low resistance

Current district judge is viewed as reliably conservative, deferent to presidential power

Textured catalyst prevents gas bubbles from clinging to surfaces

Chair departs, investigators leave, staff fears changing mission

Using GoPros and other inexpensive cameras, researchers are documenting their experimental procedures

Semiconductor could help dissipate waste heat in electronics

Facilities where 19 died had not been inspected or approved

Although some kinks are still being worked out, the European XFEL is now giving researchers an unprecedented view of the inner workings of molecules and materials

Using GoPros and other inexpensive cameras, researchers are documenting their experimental procedures

Some coauthors dissent from withdrawal of report, for which key findings have been independently confirmed

Congressional committee votes to give industry and other agencies greater input and to shift responsibility for IRIS program from research office

Some coauthors dissent from withdrawal of report, for which key findings have been independently confirmed