Figure 1: ATP concentration affects signal efficacy of CFP-YFP–based FRET sensors. It is important to note further that the ratio changes (8–45% change in YFP/CFP ratio) are within the range ...

Our ability to provide a voice for scientists and engineers and to advance science depends on the support from individuals like you. Whether you’re a scientist, engineer, teacher, or science advocate, ...

Filled with the top stories to start your day, and emergency news alerts.

Defense Secretary Pete Hegseth is facing growing scrutiny over his use of the commercial messaging app Signal to discuss U.S. military operations, including operational details about strikes in Yemen.

Sen. Adam Schiff (D-Calif.) asked the National Archives and Records Administration (NARA) to investigate Trump administration officials’ use of Signal and other third-party messaging applications.

急性肾损伤（AKI）死亡率高，机制复杂。研究人员针对氧化自身 DNA 在 AKI 中的作用及 A20 的调控机制展开研究。结果发现氧化自身 DNA 加剧 AKI，A20 可缓解。该研究为 AKI 治疗提供新策略。

Defense Secretary Pete Hegseth shared details about impending U.S. airstrikes in Yemen with a private Signal group that included his wife, brother and personal attorney, according to sources ...

Holger Rune has also surged into the top 10. Tennis world rankings are calculated by the ATP, who award points based on a player's performance at particular tournaments. The further a player ...

Pete Hegseth is under fire for a series of scandals including the departures of several of his top officials at the Pentagon and new reporting about his use of Signal to discuss sensitive information.