Scientists study why animals and humans need to sleep, what happens to the brain during sleep, and the role sleep plays in memory, trauma, and emotion regulation.
When the trade embargo left Cuba isolated from medical resources, Cuba was forced to get creative. Now they've developed lung cancer vaccines that show promise, some Americans are defying the embargo and traveling to Cuba for treatment.
Doctors strategize to stop the spread of COVID-19; researchers work toward finding treatments and vaccines; how the disease emerged, what it does to the human body, and how it became a pandemic.
Up-close footage provides a look at the strength, eyesight and flying skills of an eagle, and reveals the danger and drama of chicks as they struggle to survive.
Scientists study the implications of CRISPR (Clustered Regularly Inter-spaced Short Palindromic Repeats: a family of DNA sequences found in the genomes of organisms such as bacteria) and how they may change the human race's relationship with nature and what it means for human evolution.
New research on extremely primitive life forms called slime molds, which navigate through life without a brain, could reveal the fundamental rules underlying all decision making.
As global temperatures rise, scientists look to geoengineering solutions, from planting trees to sucking carbon out of the air, as a means to cool the planet.
