Editor
The Taliban take over Afghanistan, and the threat of ISIS and Al Qaeda intensifies. On the ground, reporter Najibullah Quraishi (Leaving Afghanistan, Taliban Country) investigates uncertainty and fear among the Afghan people and revisits the lead-up to the U.S. defeat and the Taliban’s return.
Editor
Researchers seek solutions to contain the rising acidity levels that are threatening the world's oceans.
Editor
Son esenciales para todo, desde las primeras transmisiones de radio hasta el aterrizaje de vehículos en Marte. Matemáticos y físicos repasan la historia de esta ciencia, desde Pitágoras hasta nuestros días, para desvelar si es una invención o un descubrimiento humano.
Director
After a narrow win hands Tuba City High School their 19th state championship, second place finisher Chinle sets out to topple their rivals and finally claim victory for themselves.
