Marine cyanobacteria (blue-green algae) are major contributors to the global carbon cycle and are the basis of the food web in many of the world's oceans. They only require sunlight, carbon dioxide, … [+3051 chars]
<li>Mao, S. & Paczyski, B. Astrophys. J. Lett.374, L37L40 (1991). ADS Article Google Scholar </li><li>Gould, A. & Loeb, A. Astrophys. J.96, 104 (1992). ADS Article Google Schola… [+877 chars]
Japan's space agency has performed an initial analysis of samples from the 4.6-billion-year-old asteroid Ryugu. The samples are some of the most primitive materials ever recovered from space and wil… [+7517 chars]
NASA's DAVINCI mission to Venus will carry a dime-sized, student-built sensor to study the planet's near-surface environment. The DAVINCI (Deep Atmosphere Venus Investigation of Noble gasses, Ch… [+3512 chars]
Whether you’re a regular gym-goer with muscle-building constantly on the mind, or a fitness-tracker buff with eyes set firmly on that daily 10,000, you’ll surely have thought, does walking build musc… [+6365 chars]
This month, Mercury, Venus, Mars, Jupiter, and Saturn converged in the southeastern predawn sky, providing a special treat for stargazers, but we must soon bid farewell to this extraordinary celestia… [+1467 chars]
image: A triggerfisha member of a fish group known to be voracious predatorsswims in front of a panel previously caged for 10 weeks and recently exposed to predators in Arraial do Cabo, Brazil.view m… [+5965 chars]
When paint thinner, ink, and adhesives dry, volatile organic compounds (VOCs) are released, which can be harmful to one’s health. One of the most common VOCs is xylene, which comes in three distinct … [+2449 chars]
NASA's James Webb Space Telescope is gearing up to start operations this summer, and one of its many assignments will be to search for primeval black holes in the early universe. A supermassive bla… [+3185 chars]
NASA's InSight lander successfully touched down on Mars on 26 November 2018. Seventy Martian days later, the seismometercalled SEISdeployed on the surface of Mars began recording the Red Planet's tre… [+7726 chars]
Northwestern University chemists have taken inspiration from plants to revolutionize the way an important industrial chemical is made.In a first for the field, the Northwestern team used light and wa… [+4475 chars]
NASA astronaut Ed White is the first U.S. citizen to perform a spacewalk, which he did on June 3, 1965, only three months after Leonovs daring jaunt. The EVA, conducted during the Gemini 4 mission, s… [+1298 chars]