SCIENCE IN THE NEWS WEEKLY
Life May Have Begun in Upper Atmosphere
An experiment that simulated chemical reactions in the atmosphere of Saturn's moon Titan suggests that life could have begun in the sky. It was the first experiment to produce amino acids and the nucleotide bases without the need for liquid water, researchers said.
In other space news, astronomers have gotten a rare view of a recent asteroid collision. It was the first time scientists have been able to observe such a collision while it was happening.
Elsewhere, scientists enlisted teenagers to scan thousands of computerized "star plots" in a galactic treasure hunt for pulsars in which two students have hit the jackpot.
And Virgin Galactic's suborbital spaceship Enterprise recently made its first solo test flight. If all continues to go well, it will soon take people on short trips above the atmosphere. The ticket price: $200,000.
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ANIMATION: Hydrangea Colors: It’s All in the Soil
The Hydrangea macrophylla (big-leafed hydrangea) plant is the only known plant that can 'detect' the pH level in surrounding soil!
One of the world’s most popular ornamental flowers, it conceals a bouquet of biological and biochemical surprises. The iconic “snowball” shaped hydrangea blooms are a common staple of backyard gardens.
Hydrangea colors ultimately depend on the availability of aluminum ions(Al3+) within the soil.
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