Transmission electron microscopy is a general type of electron microscopy that generates an image of the internal structure of a thin sample using a beam of electrons to achieve much higher ...

Nanotube bridge networks grow between the most abundant photosynthetic bacteria in the oceans, suggesting that the world is ...

The US Food and Drug Administration has proposed a new rule to require standardized testing of talc-containing cosmetics for ...

Chinese scientists proposed a novel imine-to-olefin transformation strategy to synthesize single-crystal sp² carbon-linked ...

Using a STEM-in-SEM conversion holder, we can convert a scanning electron microscope into a scanning transmission microscope. Neat! ==== Timeline ==== 0:00 Intro 0:27 How an SEM works 1:50 ...

Before deciding on the rule, the FDA will invite public comments lasting ninety days. Under the plan, manufacturers must find ...

The U.S. Food and Drug Administration is proposing that cosmetic products containing talc should be tested using standardized ...

The proposed rule is required under a law passed by Congress last year, and is intended to ensure the safety of makeup and ...