The development of fusion reactors could potentially be the key to solving future energy problems.

He drew an equilateral triangle shape.

Please calculate the area of this right triangle.

He believes that he has extrasensory perception.

The depressor anguli oris is the muscle that lowers the corners of our mouth when we are sad.

In which direction is your house?

He always makes accurate judgments.

Countries around the world are caught up in an arms race.

The cytoskeleton plays a crucial role in maintaining the shape of the cell.

It's difficult to spot changes in odds in horse racing.