Life and Building E.T.
Ask A Biologist Podcast
Chapters
0:00
Intro
2:29
Life on Earth - defining what is living and what is not living.
4:15
Defining life requires a flexible definition.
5:29
Three common characteristics used to define life.
6:45
Extremeophiles.
8:45
What are some extremeophiles and where do they live?
8:54
Extreme heat - how hot can you get and still be able to live?
10:19
Extreme cold - how cold can you get and still be able to live?
10:52
Looking for extremeophiles.
11:23
Extreme depth - how deep in underground can life be found?
12:09
How do you get energy if you are underground without life? [phototrophs and chemotrophs]
13:44
Why search for extremeophiles on Earth?
16:21
Are there any living things on Earth that could survive on Mars?
16:54
Building E.T.
17:49
Life - E. T. on Europa. [Paul Davies]
18:57
E.T. communication.
19:51
Fire under water - what?
20:41
Probability of having an E. T. exist.
22:04
The most common and most likely E.T. would be microbes.
23:02
Ferran's E.T.
26:14
Why do some scientists think life came from space, maybe Mars?
27:05
When did you first know you wanted to be a scientist? [Paul Davies]
28:30
What would you be if you were not a scientist? [Paul Davies]
29:16
Ferran would be an actor - what type of an actor?
30:09
What advice do you have for someone wanting to be a scientist - physicist?
31:51
Sign-off
Ask A Biologist Podcast
Life and Building E.T.
Jul 18, 2008
Episode 38
Dr. Biology Talks with Paul Davies and Ferran Garcia-Pichel
An exciting interview with physicist Paul Davies and microbiologist Ferran Garcia-Pichel who talk about life, extremophiles, and E.T. Listen in on this lively conversation and see if maybe, just maybe, we might have come from Mars.
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