Search Results: Returned 2 Results, Displaying Titles 1 - 2
-
-
c2008., WGBH Boston Video Call No: DVD Availability:1 of 1 At Location(s) Summary Note: "New clues reveal that a second "epigenetic" chemical code sits on top of our regular DNA and controls how our genes are expressed, turning them on and off with consequences for our health. While we inherit the epigenome much as we do DNA, it appears to respond far more to our environment and lifestyles. So our stress levels and what we eat, drink, and breathe may leave an enduring imprint, not just on our bodies, but on the generations to come."--Container.
-
-
-- Life at the brink.2015., PBS Distribution Call No: Earth Science DVD MAS Edition: Widescreen. Availability:0 of 1 At Location(s) Summary Note: It's a mystery on a global scale: five times in Earth's past, life has been nearly extinguished, the vast majority of plants and animals annihilated in a geologic instant. What triggered these dramatic events? And what might they tell us about the fate of our world? Joins scientists around the globe as they unravel the mysteries of two of the most dramatic mass extinctions.