Science of the Week, 7/8/16

Here are some of the most interesting science news articles I read this week:

E coli: the ideal transport for next-gen vaccines?

Researcher ethicist Q&A: 5 questions for a transforming society

Scientists identify ways to prevent heat-related deaths from climate change

Contagious cancers are spreading among several species of shellfish

Study finds anti-anxiety drug limits rats' empathetic behavior

First fossil facial tumor found in dwarf, duck-billed dinosaur from Transylvania

Hydrogen cyanide on Titan key to possible prebiotic conditions

Artificial intelligence may aid in Alzheimer's