An unknown culprit has been removing oxygen from our atmosphere for at least 800,000 years, and an analysis of air bubbles preserved in Antarctic ice for up to 1.5 million years has revealed the likely suspect.
Rice University receives National Science Foundation support to build a model of cell differentiation during the earliest stage of life. The model could help improve researchers’ ability to direct stem cells to a given fate.
Seven Earth-sized planets orbit the star TRAPPIST-1 in near-perfect harmony, and U.S. and European researchers have used that harmony to determine how much physical abuse the planets could have withstood in their infancy.
Prions, aggregates implicated in neurological diseases, may also have an important function in helping regulate the transcription of messenger RNA in memory formation.