Circle

The mysterious and wondrous history of the number Pi

Mysterious object appears on the crater

Some scientists hope to better understand the volcano's activity by learning how the circular smoke rings that hover above it form.

Video: Mystery of sheep walking in circles continuously for 12 days

A flock of sheep has been moving in mysterious circles for 12 days straight in northern China.

9 billion light years away, 'space hole' facing Earthlings

Fifteen times larger than the full moon from Earth's perspective, the ghostly object's appearance has upset the laws of cosmology.

Strange phenomenon before earthquake in Japan: Strange light crosses the sky, flock of birds creates rare scene

Several videos posted on X show strange scenes captured in the sky before the earthquake hit Japan.

Strange phenomenon before earthquake kills 118 people in China

Two days before the 6.2-magnitude earthquake struck Jishishan, Gansu Province, many local residents captured images of a flock of black birds flying in strange circles.

Strange tree circles in Japan, suspected of being aliens

A cedar forest in Miyazaki Prefecture, Japan is home to extremely unusual crop circles. Many people speculate that their origin may be created by aliens.

How to explain the strange ice circle that rotates like a time-travel door?

In winter, rivers and lakes can freeze - this is not uncommon.

Mysterious stone circle may be world's oldest observatory

Researchers suspect the ancient stone circle of Nabta Playa was used to determine the summer solstice, signaling the coming rainy season.

Let's look at the last flower clusters in the world's polar regions

Bunches of Arctic poppies trying to survive harsh weather. Scientists found them only about 51cm south of the world's northern pole.

Premiere of the first film written entirely by AI

The 2024 Asia and Short Film Festival will focus on emerging global issues, and screen the first film written entirely by artificial intelligence (AI).

Human instinct is to go in circles

In the absence of external directional signals, lost people usually do not go more than 100 meters from their starting point, no matter how long they travel.

Are textbooks wrong about the Earth's elliptical orbit?

We are taught that the Earth's orbit is elliptical, so when the Earth is farther from the Sun, the weather is winter and when it is closer it is summer.

The smoke circles rising from the top of the mountain make everyone curious, what is the truth?

Many people were very surprised to see and record images of circular smoke circles flying from the top of a mountain high into the sky.

It turns out that Windows 11's 'loading circle' contains a secret that few people know

Do you think the spinning circle when starting Windows is an animation? Not so!