He is a famous osteologist, studying many fossils.

He is a world-renowned osteologist.

That theory is unscientific and has no evidence at all.

He is interested in geometrical shapes.

Please turn on the air conditioner to lower the room temperature.

She decided to separate herself from him by a great distance.

This apple weighs about 5 ounces.

The tauon plays an important role in particle physics.

The study of sound waves is an important part of acoustics.

Using earplugs can block out the surrounding noise.