You may be using an older version of the Adobe Flash Player. To enjoy multimedia content on WGBH.org, please click here to upgrade to the latest version of the free Flash player.

Ecology, Evolution, and Conservation of the Spadefoot Toad
March 24, 2008
Brad Timm consulting wildlife ecologist

Brad Timm examines the ecology and evolution of the spadefood toad, one of the rarest amphibians native to New England. He discusses long-term conservation with respect to minimizing the impact of threats posed by certain human activities.

Health & Science
Animals & Insects | Biology
WGBH
New England Aquarium
Why the Sea is Salty
Gary Massoth
01:10:59
Gary Massoth describes a journey of discovery along the margins of the Pacific plate and explains why the sea is salty. Mid-ocean ridges are the single largest continuous geological feature of our planet. These ridges lie beneath another predominant planetary feature, the ocean.
Audio-only
Whale Tales!
Iain Kerr
00:56:20
Iain Kerr from the Ocean Alliance talks about what scientists have been learning about whales over the past several decades. Before his lecture, the IMAX film on whales brings the drama, joy and poetry of the underwater domain of some of the largest creatures to ever live on earth.
Weight Gain and Breast Cancer Risk
Heather Eliassen
00:14:03
Heather Eliassen from Brigham and Women's Hospital and the Harvard Schools of Medicine and Public Health, talks about weight gain as a risk factor for breast cancer. She notes that while many risk factors for breast cancer have been identified, only a few of them are easily modified.
Using Reverse Engineering to Go Forward
James J. Collins
00:25:43
James J. Collins discusses his research, which focuses on developing techniques and devices to characterize, improve and mimic biological function. Dr.
Unexpected Interface: Proteins and Evolutionary Change
Susan Lindquist
00:59:59
Susan Lindquist describes protein folding, and how this phenomenon allows orgnisms to evolve rapidly in response to new environmental conditions.
Understanding Porpoises Using Technology
Andrew J. Read
01:10:28
Andrew J. Read traces the history of our understanding of porpoises over the last 25 years, with an emphasis on how technological advances have helped us understand the biology of these enigmatic animals.

There are no books associated with this lecture.

Login or register to post comments