mirror-molecules:-the-symmetry-rule-life-never-breaks

Most organic molecules have a mirror-image twin. This concept is known as chirality. Yet life only uses one chiral molecule, not the other. The reason for this asymmetry is one of the greatest mysteries of biology. From Louis Pasteur to stereochemistry to the concept of mirror life, here is theContinue Reading

why-did-ancient-people-build-massive,-mysterious-mounds-in-louisiana?

Hunter-gatherers at Poverty Point may have built its massive earthworks not under the command of chiefs, but as part of a vast, temporary gathering of egalitarian communities seeking spiritual harmony in a volatile world. New radiocarbon data and reexamined artifacts suggest far-flung travelers met to trade, worship, and participate inContinue Reading

lisa-yoakum

Lisa Yoakum Deputy Director for Program Planning & Control , Science Directorate, NASA Langley Research Center Ms. Lisa Yoakum currently serves as the Deputy Director for Program Planning & Control (PP&C) supporting NASA Langley Research Center’s (LaRC) Science Directorate (SD). In this role, she is responsible for oversight of SDContinue Reading

soyuz-rocket-rolls-out-as-cygnus-parks-away-from-station

The Soyuz rocket is raised vertical, Monday, Nov. 24, 2025, at site 31 launch pad of the Baikonur Cosmodrome in Kazakhstan. Expedition 74 crewmembers: NASA astronaut Chris Williams, Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergey Mikaev are scheduled to launch aboard their Soyuz MS-28 spacecraft on November 27. NASA/Bill Ingalls AContinue Reading