| All forms of the element technetium are radioactive and have relatively short half-lives. |
| The principles of alpha decay are used in radioactive dating, in which half-lives play an important part. |
| The half-lives of the metabolites but not bupropion itself are increased in patients with alcoholic liver disease. |
| Relatively simple processes, such as improving the yield of a machine tool, have short half-lives, often less than a year. |
| Others are known that are so very slightly unstable that their half-lives are trillions and quadrillions of years. |
| We live in an era of shortened attention spans and attenuated half-lives for products, companies, and business models. |
