Kristine Allington

Hidden Volcano Abyss

In January 2022, one of the most powerful volcanic eruptions in recorded history rocked the Pacific islands of Tonga, sending shockwaves around the world. Through first-person accounts of the disaster and eyewitness footage, experience the terrifying power of the eruption and the devastating tsunami that struck the shores of Tonga. Why was this eruption so big, how did it cause the tsunami, and could another disaster loom? NOVA investigates on "Hidden Volcano Abyss."

Eclipse Over America

On August 21, 2017, millions of Americans will witness the first total solar eclipse to cross the continental United States in 99 years. While hordes of citizens prepare to flock to the eclipse’s path of totality, scientists, too, are staking out spots for a very different reason: to investigate the secrets of the sun’s elusive atmosphere.

Memory Hackers

Memory is the glue that binds our mental lives. But how does it work? Neuroscientists using cutting-edge techniques are exploring the precise molecular mechanisms of memory. By studying a range of individuals ranging-from an 11-year-old whiz-kid, Jake Hausler, who remembers every detail of his life to a woman who had memories implanted-scientists have uncovered a provocative idea.

NOVA: Lethal Seas

Researchers seek solutions to contain the rising acidity levels that are threatening the world's oceans.