SHE’S best known for ­playing glamorous nurse Trixie Franklin on hit BBC drama Call The Midwife, but fans are about to see a very different side to Helen George. The actress, 41, will battle her ...

Carboxylic acids are ubiquitous in bioactive organic molecules and readily available chemical building blocks. Carboxylic ...

Infrared small target detection is a key technique in an infrared system. In the past decade, many methods have concentrated on traditional top-hat transformation, which relies on the hand-crafted ...