Government Debt Explained & The World's Whitest Paint | WEF | Top Stories of the Week Bu

This week's top stories of the week include:

0:15 World's whitest paint - Scientists at Purdue University have invented the world’s whitest paint that can lower surface temperatures by up to 4.5˚C. The super white paint reflects 98% of the sun's light, while standard white paint only reflects about 80-90%. This would help cool vehicle interiors, saving energy by reducing the need for air conditioning. While the original paint was thick and intended for use on the walls, the new one is only 0.15mm thick and can be used on cars and spacecraft. Watch to learn about the secret ingredient of the world’s whitest paint.

01:33 What is government debt? - Globally, governments are forecast to owe £88 trillion by the