Did life come from another world?
Article Abstract:
New research indicates that microorganisms could have survived a journey from Mars to Earth. The new understanding of life's origins has transformed the scientific debate over panspermia who sought to estimate the probability that biological materials made the journey to Earth from other planets or moons.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2005
User Contributions:
Comment about this article or add new information about this topic:
Are aliens among us?
Article Abstract:
The article explains the different studies that are being conducted by the scientists to prove several evolutions of life on the Earth. The presence of various alien microbes supports the discussed idea.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2007
User Contributions:
Comment about this article or add new information about this topic:
Our evolving present
Article Abstract:
The article explains the increase in the rate of evolution of different species in many ecosystems due to the various environmental changes taking place by human activities.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2007
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: The politics of the environment. Books as bellwethers: the Gore manifesto. Ossification at EPA
- Abstracts: The silicon gourmet. New world and old: a matter of magnitude. Heavenly objects
- Abstracts: The light stuff. Searching for water on Jupiter's moon. Crisis in space: the heroic flight of Apollo 13
- Abstracts: Molecule promises a better buckyball. Giant atoms cast long shadow. Will future computers be all wet?
- Abstracts: Rainforest of Northern Australia. Puerto Rico's rainforest. Tanzanian forest birds