Sexual Orientation and Genetics (Part Two)
Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, expands on his discussion of sexual orientation and genetics. Dr. Hamer explains that work with identical twins has provided evidence that, at least in ...
Subject: straight
Sexual Orientation and Genetics (Part One)
Dean Hamer, Director of the Gene Structure and Regulation Unit at the National Cancer Institute, talks about the possibility that there is a genetic component to sexual orientation. Dr. Hamer also discusses some differences between men and women in ...
Subject: straight
Transcript: either/or. Either they're gay or they're straight without too many people In between. Women seem to be much more flexible And much more diverse in their
On the Coast: Coastline Changes Over Time
Whatever a coastline's shape today, it was probably different yesterday, as it will no doubt be tomorrow. Coastal zones are among the most dynamic areas on Earth, subject to a host of factors that make every coast a work in progress.
Subject: straight
Transcript: :] straight coastlines can, in fact, Result from being a very old coastline When erosion has been acting upon it For quite some time period. As the erosion has