Baltimore residents, lawyers, police and activists gather to discuss and debate what to do about police brutality in their city.

Unity Biotechnology has raised $116 million more to fight diseases that originate from aging. The company plans to modify the human body's cellular senescence — the process by which our cells age — to slow down aging and halt diseases.

WaterSeer condenses safe drinking water without power or chemicals.

Pavegen's new flooring system translates pressure from foot traffic into kinetic energy, which can then be used to power lights and other devices. The tech tracks data for "smart-cities," and points that you earn by walking on the flooring can be donated to a charity or help fund a student's tuition.