Do you remember the last time you were on a merry-go-round on a playground or a fair? Because of the fast rotation, you felt like

When astronomers looked at this new ALMA image, it reminded them of a pretzel – a pastry shaped like a knot. But there are no

You probably know how to make soap bubbles. First, you put a ring of plastic or metal into a soap bath, and gently pull it

Do you like watching the clouds? It’s a pleasing pastime. If you have enough imagination, the clouds above your head sometimes resemble faces or animals.

How do you weigh a black hole? For a person, it’s easy. You just step upon a scale and read off your weight. But no

Imagine that you’re on an open field in the middle of the night. In the distance is the edge of a dark forest. Using your

All people look different from each other. Except identical twins. They have the same eyes, the same nose, the same mouth and the same hair.

Black holes are the most mysterious objects in the Universe. Their gravity is dangerously strong. They suck in everything that comes too close. Moreover, they

If you topple a bottle of water, the liquid flows out very fast. But turn over a container of treacle, andit takes ages to empty.

Have you ever played with a magnet? It’s like magic. A magnet has an invisible force field. You can only see it indirectly. For instance