Let There Be Light
Using green light a catalyst could help scientist conduct safe and cheap reactions
![](/fileadmin/_processed_/c/5/csm_0520-201_Upfront_IOTM_In_Article_e6494ac45e.png)
A light-emitting titanium catalyst could serve as a cheaper and safer alternative to commonly used toxic metals, such as ruthenium and iridium, during the production of antiviral medicines.