Phylogenetic reconstruction from morphological characters has evolved from simple parsimony criteria to sophisticated probabilistic frameworks that integrate fossil data, continuous character coding ...

Tired of forgetting passwords or reusing weak ones? The passphrase approach makes strong security easy to remember—and harder ...

It's now possible to squeeze in a few extra characters on Twitter. Beginning now, usernames will no longer count toward the service's 140-character limit, Twitter announced. The change also means that ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

An international team has demonstrated a new method for producing the most intense light ever generated in a laboratory. The research offers a practical pathway to explore Quantum Electrodynamics (QED ...

Twitter just changed the rules of tweeting. The company is now testing a change that doubles Twitter's character limit for "a small group" of accounts. It's not clear when the change will roll out ...

The newly introduced Agilent 5100 Automated Lab-on-a-Chip Platform (ALP) offers a high-throughput system to overcome the limitations of slab gel analysis in protein and DNA sizing and quantitation.

Meaghan is an editor and writer who also has experience practicing holistic medicine as an acupuncturist and herbalist. She’s passionate about helping individuals live full, healthy and happy lives at ...

Breathing exercises, like pursed-lip breathing and diaphragmatic breathing, can help slow your breathing and trigger relaxation responses. Useful techniques range from simple deep breathing to ...