Here's why:

* Naturally Occurring: There are 94 naturally occurring elements, but only 80 of them are stable.

* Radioactive: The remaining 14 are naturally occurring radioactive elements, meaning they decay over time.

* Synthetic Elements: Beyond these 94, there are 26 additional elements that have been created in laboratories. All of these synthetic elements are radioactive.

It's important to note:

* Some scientists may consider the 14 naturally occurring radioactive elements as "made in the laboratory" due to their creation in various nuclear processes within stars.

* However, the term "made in the laboratory" typically refers to elements created through controlled experiments.

Therefore, the number of radioactive elements made in the laboratory is often considered to be 25.