Mexico City is the 5th largest city in the world with population of around approximately 22 million, which classifies Mexico city as a mega city. It is situated in the The Central Mexican Plateau, at 2,240m in elevation. Mexico city is also slowly sinking at a rate of about 10 inches per year! The ...

Trees curb climate change directly by removing carbon dioxide from the atmosphere. Through the process of photosynthesis, forests offset 10 to 20 percent of the country’s greenhouse gas emissions each year. Additionally, trees help protect against climate impacts such as flooding, which is getting w

Near the start of the 20th century, a mysterious and deadly virus terrified Americans, particularly infecting young kids: Polio. Correspondent Rita Braver looks at the scientific arsenal brought to combat the epidemic and develop a vaccine, and talks with documentary filmmaker Carl Kurlander ("The S

East Side Access is the massive mainline rail project New York City has been working on for the past few decades, and it'll bring a brand new terminal to Grand Central Terminal, alongside Long Island Rail Road services. The culmination of the East Side Access project will be the opening of Grand Cen...

The Arc de Triomphe in Paris has been completely enveloped in silver and blue fabric. The installation, named “L’Arc de Triomphe, Wrapped”, was first conceived by late artists Christo and Jeanne-Claude in 1961. Six decades later, the project was finally brought to life with three months of construct

Academy Award-winning filmmaker Alex Gibney, directing with Ophelia Harutyunyan and Suzanne Hillinger, interrogates this question and its devastating implications in Totally Under Control. With damning testimony from public health officials and hard investigative reporting, Gibney exposes a system-w

Energy giant National Grid is using Spot to keep employees safe and ensure uptime at a critical facility. A top priority at the facility is the monitoring of equipment conditions. Because the valve hall is water-cooled, any leaks could cause issues leading to equipment overheating and malfunction. W

Italians are making the most of their isolation by singing together and playing music for their neighbours from their balconies during the lockdown. Italy's death toll has crossed 1,400, the highest in the world outside China.

The major goal at the Department of Cell Biology at Duke University Medical Center is to understand how cells build and regenerate tissue. Scientists work in close collaboration with physicians to combine the power of genetics in model organisms such as the mouse and zebrafish with cutting edge imag...

Ernest Shackleton's lost ship, Endurance, has been found after 107 years. This 4k footage shows the preserved vessel 3008 metres below the ocean surface.