Reasons to Believe


  • Microbes Found in Antarctic Lake

    You might have seen- CBS News, Ancient life found in buried Antarctic lake, Nov 27, 2012; more

  • Life in Antarctic Lake Vostok?

    You might have seen MSNBC, "Russian scientists reach lake under Antarctica" Feb 08, 2012; more

  • Strange New Worlds: Life Based on Silicon, Arsenic?

    When I was in junior high school, I seldom missed Star Trek (the original series) on TV. In one of my favorite episodes the crew of the Enterprise encountered a silicon-based life-form, called a … more

  • Biochemical Synonyms Optimized, Part 2 of 2

    New Study Uncovers More Evidence for Biochemical Optimization and Intelligent Design

    My new favorite drink is Coke Zero. I love how this zero-calorie soda tastes like the real thing, without any of … more

  • Water on Mars Too Salty for Life

    The intense salty taste followed by spewed water in the sink is a telltale sign that the system isn’t properly washing the column with the liquid from the brine tank.

    Salty water is not good to … more

  • No, No, Nanobacteria

    Size also matters to biochemists. Conventional wisdom places the lower bound on life at about 1 micron (give or take a few hundred nanometers). In 1999, the National Academy of Sciences sponsored a … more

  • Too Hot to Handle

    Genetic Code Indicates that Life Did Not Originate at High Temperatures

    My father—who was from India—loved hot, spicy foods. In fact, he was quite proud of his ability to eat food that … more

  • Follow the Life?

    However, despite a quadrupling of funds in just six years (compared to a vastly smaller increase for all the other sciences) and despite decades of diligent searching, no one has found any evidence … more

  • Sea Vents Closed as Life-Origin Site

    A mile and a half down, beyond the reach of sunlight, volcanic geysers spew 400°C water into the oceans. Life teems around these deep, hidden vents—pink sea cucumbers, eyeless shrimp, … more

  • Some Like It Hot—but First Life Did Not

    Cedric and Winnie want to live in the comfort zone. Likewise, most organisms on Earth exist in “comfortable” environments.1 Most life exists at temperatures between 5 and 40 °C (41-102 … more

  • Life Zones in Space

    No wonder these systems hold such fascination for scientists, for everyone! In October 1999, Science focused an entire edition on planetary systems. It featured a dozen papers on the topic, including … more