Sufficient caution is necessary when handling radioactive materials.

If you plant this seed, beautiful flowers will bloom.

This rock is radioactive, so care must be taken when handling it.

Alpha rays are a type of particle emitted from radioactive materials.

I'm looking forward to the release of the new album.

He released a new song.

I grew up in the Houshu district of Osaka.

Education about sex is very important.

What is this material made of?

Radioactive elements are produced in nature and scientific experiments.