Ha ha ha... do you believe that.... and you? a Roman?

http://www.youtube.com/watch?v=__e1kVG-Yxk

On Jan 31, 7:37 am, Saul Levy wrote:
Yeah, you are an alien, WartPlug!

Saul Levy

On 13 Jan 2007 21:21:57 -0800, "Warhol"
wrote:

Experiment suggests we may be Martians

Ian Sample

LONDON: Life on the earth may have announced its arrival billions of
years ago with a whistle and a thump, according to a group of planetary
scientists.

Controversial theory

Experiments by an international team of researchers back a
controversial theory that life flourished on Earth after primitive
organisms arrived aboard a meteorite, itself gouged from Mars by a
giant impact.

The theory supposes that life was able to gain a tentative foothold on
the red planet as it cooled down and became more hospitable several
billion years ago.

At the time, the planet's surface was regularly bombarded with rocky
detritus from the asteroid belt, knocking clumps of rock and the
microbes living on them into space, where the gravity of the sun
brought them hurtling towards the earth.

Microbes test

Charles Cockell, at the U.K.'s Open University, who studies microbes in
extreme environments, joined a team of German and Russian scientists to
test whether microbes could survive the enormous shock of being blasted
into space and crash-landing on another planet.

They gathered colonies of micro-organisms including cyanobacteria,
which live in rocky fissures, lichen, which smother their surfaces, and
spores of the hardy bacterium Bacillus subtilis, and sandwiched them
between slices of gabbro, a coarse-grained rock similar to that known
to make up Martian meteorites.

The researchers then used high explosives to fire a steel plate at the
sandwiched organisms and after each shot transferred the microbes to a
dish to see if any had survived.

The shocks were equivalent to those suffered by Martian meteorites that
have been found on Earth, with pressures of up to 50 billion pascals.
One pascal is equivalent to the pressure exerted by a bank note resting
on a surface. The pressure in a car tyre is equivalent to 200,000
pascals.

To their surprise, the scientists found the lichen and bacterial spores
survived all but the most cataclysmic impacts up to 45 billion pascals.
The cyanobacteria survived shocks of up to 10 billion pascals.

`Lithopanspermia'

The findings now support the earlier theory of "lithopanspermia," which
suggests that life may be spread from one planet to another aboard
lumps of rock that are knocked off the surface of the planet.

The scientists have written in a recent edition of the journal Icarus:
"These results strongly confirm the possibility of a `direct transfer'
scenario of `lithopanspermia' for the route from Mars to Earth, or from
any Mars-like planet to other habitable planets in the same stellar
system."

© Guardian Newspapers Limited 2006
http://www.hindu.com/2007/01/14/stor...1400811800.htm