Chichén Itzá, "the mouth of the well of the Itzás," was likely the most important city in the Yucatán from the 10th to the 12th centuries. Evidence indicates that the site was first settled as early ...

A set of new imaging tools now allows researchers to see how specific fat molecules, called phospholipids, are distributed across cell membranes in three dimensions and at nanometer-scale precision.

Researchers map functional interactions for 75% of the yeast genome using synthetic genetic array methodology. Proteins carry out their functions by interacting with each other. But proteins ...

Jane Street is a major authorized participant in spot bitcoin ETFs. That's not a conspiracy. But the mechanics of what APs actually do at market open explain more than most people realize.

Luma Institute is a global education company that teaches people how to be more innovative by applying the discipline of human-centered design. Harvard Business ...

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 ...

X-ray diffraction methods lie at the foundation of materials science. Determination of the crystal structures of natural minerals and, later, of crystals grown in the laboratory led to our ...

Google is planning big changes for Android in 2026 aimed at combating malware across the entire device ecosystem. Starting in September, Google will begin restricting application sideloading with its ...

Desperate North Korean fishermen are washing ashore as skeletons because of the world's largest illegal fleet. Chinese fishing vessels moored off of Ulleung Island, South Korea. (Fábio Nascimento) ...

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

Sichuan Giant Panda Sanctuaries, home to more than 30% of the world's pandas which are classed as highly endangered, covers 924,500 ha with seven nature reserves and nine scenic parks in the Qionglai ...