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Scientists gain fresh insight into the secret of how gecko feet stay sticky

[ad_1] Enlarge / Close-up of a Tokay gecko’s toe pads. They have many tiny hairs per foot called setae, each of which splits off into hundreds of even smaller bristles called spatulae. These help maximize contact with a surface. (credit: Yi Song) Geckos are known for being expert climbers, able to stick to any surface […]

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To reduce algal blooms and dead zones, we need a strategy for farm pollution

[ad_1] Enlarge / Satellite photo of an algal bloom in western Lake Erie, July 28, 2015. (credit: NASA Earth Observatory) Midsummer is the time for forecasts of the size of this year’s “dead zones” and algal blooms in major lakes and bays. Will the Gulf of Mexico dead zone be the size of New Jersey,

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Beware of bad science reporting: No, we haven’t killed 90% of all plankton

[ad_1] Enlarge / Plankton are under real threat as our oceans warm and acidify, but they’re not all gone yet. (credit: tonaquatic/Getty Images) For the past few days, it has been hard to look at social media without coming across a scary-looking report from the Scottish newspaper The Sunday Post. “Scots team’s research finds Atlantic

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Two companies join SpaceX in the race to Mars, with a launch possible in 2024

[ad_1] Enlarge / Here is a preliminary design of a Mars lander to be built by Impulse Space. (credit: Impulse Space) Relativity Space has not launched a single rocket, and Impulse Space has never tested one of its thrusters in space. Nevertheless, on Tuesday, the two California-based companies declared their intention to launch an ambitious

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How To Use Negative Matching With grep In Linux (Print Lines That Don’t Match)

[ad_1] grep is a command line search utility for Linux that will print out lines in files that match a pattern or regular expression. It’s also useful to invert matches, which will filter out all lines in a file that contain the given string. Read This Article on How-To Geek › [ad_2] Source link

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