Found 0 - 3 results of 3 programs matching keyword " algae"


Ice Stories:   Limno Toolkit (Clip)
Running Time:
00:03:32
From a small rubber boat on a Greenlandic lake, climate researcher Billy D'Andrea introduces some of the equipment scientists use in limnological sampling. (Limnology is the study of freshwater systems, like lakes.)

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: July 14, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: limnology, algae, lakes, greenland, sampling, equipment, climate change, climate history

Links: Dispatch: Limno Toolkit

Watch Now
Windows Media: 1328K  
QuickTime: 1280K  
Ice Stories:  Alkenones: Natural Thermometers (Clip)
Running Time:
00:03:36
To understand how Earth’s climate system has changed over time, scientists need to find, develop and use natural recorders of temperature and precipitation. One natural thermometer comes in the form of alkenones: trans-fats produced by certain algae.

Project: Ice Stories: Dispatches from Polar Scientists | Browse All

Date: July 7, 2008
Format: Expedition
Category: Science in Action
Subject(s): Geology/Earth Science, Life Science/Biology

Keywords: climate change, climate history, paleoclimate, thermometer, trans-fats, algae, lakes, temperature, sediment cores, density, liquid, fats

Links: Dispatch: Alkenones: Natural Thermometers

Watch Now
Windows Media: 1300K  
QuickTime: 1328K  
Origins: Astrobiology:  Looking for Mars on Earth (Webcast)
Running Time:
00:32:24
Chris McKay, Planetary Scientist at the NASA Ames Research Center, has traveled the world seeking Mars-like environments. In the Dry Valleys of Antarctica—his favorite Mars analog on Earth—Dr. McKay discovered a kind of algae living inside rocks porous to light and water. He’ll show us some of these rocks and talk about the physical conditions required for life.

Project: Origins: Astrobiology: The Search for Life | Browse All

Date: November 19, 2003
Format: Interview
Category: Science in Action
Subject(s): Astronomy/Space Science

Keywords: deserts, atacama desert of chile, life on mars, most lifeless place on earth, driest place on earth, ecosystems, algae, organisms in rock, photosyntheseis in rock, most mars-like place on earth, antarctica dry valleys, alum rock park, earth's extreme environments, mic


Real: 256K  
 
Gordon and Betty Moore Foundation
Gordon and Betty Moore Foundation
Webcasts made possible through the generosity of the Gordon and Betty Moore Foundation, The Jim Clark Endowment for Internet Education, the McBean Family Foundation,.and the Corporation for Educational Networks Initiatives in California (CENIC).

© 1994 - 2014 Exploratorium | The museum of science, art and human perception