Science

Free speech on the Internet
Google's purchase of YouTube has enabled the Web site to reach around the globe. But Google recently met its match in Turkey when the Turkish government blocked the site due to culturally inappropriate content. Midmorning asks how consumers, companies, and laws will adapt to emerging Internet technology.
Evidence of a green Sahara
On a recent dinosaur dig in Africa, paleontologists found evidence of lush vegetation and a thriving community of ancient people in what is now the Sahara Desert.
Music and the shaping of humanity
A musician-turned neuroscientist suggests that evolution had a hand in how we respond to music. He chose six songs as examples of how we achieve cooperative goals like acquiring knowledge and love. He also explains why The Beatles' failure to imitate their musical heroes made them stars.
A new era for stem cell research?
President-elect Barack Obama has suggested that he'll be doing an about face on many of President Bush's policies, including the restrictions on stem cell research. Bioethicists, researchers, and the Vatican alike are watching this move closely.