El presidente dijo que sustituiría a la secretaria de Seguridad Nacional por el senador Markwayne Mullin. Por Michael C. BenderMichael GoldHamed Aleaziz y Maggie Haberman Durante décadas, los ...
¿Quieres saber cuánto representa el IVA en una compra o cuánto agregar a un precio para facturar? En Consultas El Universal te ofrecemos esta calculadora de IVA para que puedas sumar o restar el IVA ...
In March 2025, the Secretary-General launched the UN80 Initiative to transform how the UN works - identifying efficiencies, reviewing how mandates are implemented, and examining potential structural ...
The UN’s 75th anniversary in 2020 arrived at a time of great upheaval and peril. If the world is to recover from COVID-19 and we are to deliver on our promises to future generations - to secure a ...
Atom tamers Top left: Schematic of how a metasurface shapes a single beam of light into multiple tightly focused beams in a single step. These beams form a series of optical tweezers to trap ...
A microarray is a set of samples, for example DNA, RNA or proteins, arranged on a solid substrate or chip, such as a glass slide or silicon film, that is used in high throughput experiments.
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