SCIENCE OF SPEED: TIRES AND PRESSURE

submitted by: nsf

NASCAR tires don't have "air pressure" because they're filled with nitrogen. The culprit responsible for increasing tire pressure during a race is friction. Using dry nitrogen gas helps the team predict how hot the tire will get and how much the pressure will "build" during a race.

Evan DeLucia at 2010 DOE JGI User Meeting

submitted by: JGI

Evan DeLucia of the University of Illinois at Urbana-Champaign and the Energy Biosciences Institute talks about "The Promise and Challenge of Producing Biofuel Feedstocks: An Ecological Perspective" on March 25, 2010 at the 5th Annual DOE JGI User Meeting.

Nitrogen Dynamics on Cobb Mill Creek, VA - A Field Trip by Aaron Mills

submitted by: VCRLTER

Dr. Aaron Millls of the University of Virginia discusses nitrogen dynamics on a small coastal creek in Oyster, VA. Sept. 2009

Protein Modeling Practice: Zinc Fingers

submitted by: zardecki

Demonstration of how to build a 3D toober model of a zinc finger using the RCSB PDB website and Jmol

SDSU Geological Sciences Webinar - Stephen T. Hasiotis

submitted by: tcarrasc
Ichnology for the 21st Century: Understanding the differences between continental and marine trace fossils, with implications to the diversity, distribution, and evolution of soil biota ; Department of Geological Sciences, San Diego State University, Seminar Series ; The study of ichnology has come a long way since its inception and it continues to evolve. In particular, progress is being made in understanding the implications of trace fossils in the continental realm and how they can be...

Biology of Plants

submitted by: scivee-team

An overview of the process of photosynthesis and the biology of plants - function, reproduction and life.

Amazing Earth 2

submitted by: scivee-team

A documentary about volcanic eruptions, their causes and effects on Earth and the geological implications of those events in history and in the future - Part 2.