The video reviews significant scientific achievements of the year, including the discovery of limpet teeth as the strongest biological material, the ability to slow down light even in a vacuum, and the development of the fastest atomic force microscope. These advancements have potential applications in various fields such as materials science, optics, and nanotechnology.

What is the strongest biological material discovered, surpassing spider silk?

• Spider silk

• Limpet teeth

• Elephant tusk

• Human hair

What is the tensile strength of limpet teeth?

• 6 billion Pascals

• 4 billion Pascals

• 5 billion Pascals

• 3 billion Pascals

How did scientists manage to slow down light in a vacuum?

• By using a magnetic field

• By passing it through a liquid crystal mask

• By reflecting it off a mirror

• By cooling it to absolute zero

What is the significance of the new atomic force microscope developed by MIT?

• It is slower than previous models

• It can scan objects at the atomic level in real-time

• It can only scan stationary objects

• It uses lenses to magnify objects

How much faster is the new atomic force microscope compared to previous models?

• 100 times faster

• 2000 times faster

• 500 times faster

• 1000 times faster