Science Behind The News: Crowdsourcing

The video explores the limitations of computers compared to humans in tasks like reading and image recognition. It introduces Luis Von Ahn, a pioneer in crowdsourcing, and his projects like CAPTCHA, reCAPTCHA, and Duolingo. CAPTCHA helps differentiate humans from computers, while reCAPTCHA aids in book digitization. Duolingo uses crowdsourcing for web translation, engaging language learners. The video also highlights Fold It, a game that leverages human intuition to solve complex protein folding problems, demonstrating the power of crowdsourcing in scientific research.

What is the primary advantage of humans over computers as mentioned in the video?

• Humans can store more information.

• Humans can perform tasks like reading and image recognition better.

• Humans can solve complex mathematical equations.

• Humans can process data faster.

What is the main purpose of CAPTCHA?

• To improve computer processing speed.

• To increase website traffic.

• To differentiate between human users and computers.

• To enhance website design.

How does reCAPTCHA contribute to book digitization?

• By scanning books directly.

• By translating books into multiple languages.

• By using human input to recognize words computers cannot.

• By storing books in a digital library.

What dual purpose does Duolingo serve?

• Teaching languages and translating Wikipedia.

• Providing language courses and offering travel guides.

• Teaching languages and offering online games.

• Providing language courses and selling books.

What significant achievement was made by players of the Fold It game?

• They developed a new computer algorithm.

• They mapped a protein structure in 10 days.

• They created a new language.

• They designed a new video game.