The macromolecular organization of photosynthetic complexes within the thylakoids of higher plant chloroplasts has been a topic of significant debate. Using in situ cryo-electron tomography, this ...

New bacterial nanocellulose-covered stents integrate seamlessly with tissues, deliver drugs precisely, and promise safer ...

A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a ...

Check student reactions, difficulty level, and expert review. Download the answer key PDF for all sets and evaluate your performance. Get the latest updates here!

• Ultrasound guidance may lead to a higher first-attempt success rate and improved time to successful common femoral artery (CFA) access, while reducing the venipuncture rate (unintentionally ...

While hands are famously tricky to master, a few pro tips and sketching techniques can help you capture them with confidence.

Advice from an English teacher in Massachusetts for guiding teenagers to think critically but not cynically about the information they consume. By David Nurenberg This collection of interactive ...