Today on Science Friday, Exoplanet astronomer Geoff Marcy, who was accused of sexual harassment by four former undergraduate students, resigned from the University of California, Berkeley this week. BuzzFeed News Science Reporter Azeen Ghorayshi, who broke the story, takes us through the developments. She also discusses a new test for dementia in dogs, as well as other selected short subjects in science from this week. Plus, Cuba’s government has opened up three dozen wifi hotspots on the island. The new hotspots could enhance information exchange and communication for Cubans, but they could also increase government surveillance.