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Quiz: What is the coldest city in the world?

Quiz: What is the coldest city in the world?

This city, home to 355,000 people and receiving as little as four hours of sunlight in winter, recorded its lowest temperature of minus 64.4 degree Celsius on Feb. 5, 1891.
Which Asian carmaker overtakes Tesla as the world’s top EV producer?

Which Asian carmaker overtakes Tesla as the world’s top EV producer?

iPhone Air vs. iPhone 17: Which one should I buy?

iPhone Air vs. iPhone 17: Which one should I buy?

Your smartphone may carry 10 times more bacteria than toilet seats. How often should you clean it?

Your smartphone may carry 10 times more bacteria than toilet seats. How often should you clean it?

Smartphones can harbor dirt and bacteria, with experts advising daily wiping and weekly disinfection to reduce health risks.
January 22, 2026 | 07:17 pm PT
Only one Asian university breaks into the world’s top 10 for engineering and technology - Can you name it?

Only one Asian university breaks into the world’s top 10 for engineering and technology - Can you name it?

Only one Asian university has earned a spot in the global top 10 for engineering and technology in the 2025 QS World University Rankings, placing seventh.
January 20, 2026 | 08:56 pm PT
Quiz: Which tech major is the most popular choice for international students in US?

Quiz: Which tech major is the most popular choice for international students in US?

This major attracted 118,137 international students to U.S. universities in 2024, according to a report by the Student and Exchange Visitor Program.
January 18, 2026 | 03:10 pm PT
Human or AI: can you tell who’s singing?

Human or AI: can you tell who’s singing?

Listen to the tracks and decide which are sung by real performers and which are created using artificial intelligence.
January 15, 2026 | 03:48 pm PT
Quiz: Why does the tomb of China’s first emperor Qin Shi Huang remain unopened after 2,200 years?

Quiz: Why does the tomb of China’s first emperor Qin Shi Huang remain unopened after 2,200 years?

The tomb of China’s first emperor, Qin Shi Huang, is part of a vast, city-sized complex, but the central mound containing the main chamber has never been opened in over 2,200 years.
January 13, 2026 | 11:16 pm PT
Which island has the largest rare earth reserves?

Which island has the largest rare earth reserves?

The island is estimated to contain around 1.5 million tons of rare earths, placing it eighth worldwide, according to data from the U.S. Geological Survey.
January 11, 2026 | 04:13 pm PT
5 simple ways to spot a fake AI video

5 simple ways to spot a fake AI video

As AI-generated videos flood social media, experts recommend watching for watermarks, distorted text, questionable sources, and trusting instinct when judging whether footage is genuine.
January 10, 2026 | 03:00 pm PT
Quiz: What construction method kept Qin Shi Huang’s ancient road grass-free for over 2,200 years?

Quiz: What construction method kept Qin Shi Huang’s ancient road grass-free for over 2,200 years?

Built in 212 BC on the orders of China’s first emperor Qin Shi Huang, the Qin Straight Road spans roughly 700 kilometers and has remained largely free of grass growth for more than 2,200 years.
January 6, 2026 | 08:48 pm PT
Which university is named the world’s best for robotic science and engineering?

Which university is named the world’s best for robotic science and engineering?

This university ranks first in the ShanghaiRanking’s 2025 Global Ranking of Academic Subjects for robotic science and engineering, an assessment covering about 2,000 institutions from 100 economies.
December 30, 2025 | 09:02 pm PT
Which Asian university ranks second globally for computer science and engineering?

Which Asian university ranks second globally for computer science and engineering?

The university holds second place for computer science and engineering in the 2025 ShanghaiRanking Global Ranking of Academic Subjects, an assessment covering about 2,000 institutions from 100 economies.
December 29, 2025 | 02:02 am PT
Which country has the second largest rare earth reserves in Southeast Asia?

Which country has the second largest rare earth reserves in Southeast Asia?

This country has around 4,500 tons of rare earth reserves, ranking 12th globally.
December 25, 2025 | 07:45 pm PT
Which Asian country hosts two universities in the global top 10 for data science and AI?

Which Asian country hosts two universities in the global top 10 for data science and AI?

The country is home to two universities ranked fifth and seventh worldwide for data science and artificial intelligence in the 2025 QS World University Rankings.
December 23, 2025 | 08:10 pm PT
Which country does the world’s biggest lottery winner come from?

Which country does the world’s biggest lottery winner come from?

The world’s largest lottery jackpot, worth more than US$2 billion, was claimed three years ago. Do you know the country the winner hailed from?
December 20, 2025 | 09:48 pm PT
Can you name the only Asian university in global top 5 for computer science and information systems?

Can you name the only Asian university in global top 5 for computer science and information systems?

The institution places fourth in the QS World University Rankings 2025 for computer science and information systems, standing alongside leading universities from the U.S. and the U.K.
December 16, 2025 | 08:10 pm PT
7 tips to maximize your EV’s range and performance in winter

7 tips to maximize your EV’s range and performance in winter

Cold temperatures can sharply reduce an electric vehicle’s range, but several steps, including preheating the cabin and parking indoors, help maintain battery efficiency and performance in winter.
December 16, 2025 | 03:17 pm PT
Which Southeast Asian university is named the world’s second best for AI?

Which Southeast Asian university is named the world’s second best for AI?

It placed second globally in the U.S. News & World Report’s 2025–2026 Best Global Universities for Artificial Intelligence rankings, which assess about 2,250 top institutions based on measures of academic excellence.
December 14, 2025 | 07:21 pm PT
Quiz: Who is ‘MIT math nerd’ crowned the world’s youngest self-made woman billionaire?

Quiz: Who is ‘MIT math nerd’ crowned the world’s youngest self-made woman billionaire?

The 29-year-old Brazilian entrepreneur, often dubbed an “MIT math nerd,” has risen to become the world’s youngest self-made female billionaire, with a net worth of US$1.3 billion from her stake in the online prediction market.
December 12, 2025 | 01:08 am PT
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