Why Roman concrete still stands strong while modern formula decays

Written by University of Utah

ROMACONS drilling at a marine structure in Portus Cosanus, Tuscany, 2003. Drilling is by permission of the Soprintendenza Archeologia per la Toscana.

Around A.D. 79, Roman author Pliny the Elder wrote in his Naturalis Historia that concrete structures in harbors, exposed to the constant assault of the saltwater waves, become “a single stone mass, impregnable to the waves and every day stronger.”

He wasn’t exaggerating. While modern marine concrete structures crumble within decades, 2,000-year-old Roman piers and breakwaters endure to this day and are stronger now than when they were first constructed.

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Inconvenient Truths Surface Amid Climate Model Doubts

Written by The Australian

With preparations under way for the Intergovernmental Panel on Climate Change’s next report, a key challenge for scientists remains to explain properly the 20- year slowdown in surface temperature rises and the failure of models to predict it.

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Prehistoric giant croc had T-Rex teeth

Written by Traci Watson

Paleoartistic restoration of the head of Razanandrongobe sakalavae. Unlike extant crocodilians, this terrestrial predator had a deep skull.

Today’s Madagascar is the land of lemurs, big-eyed creatures among the most huggable on the planet. But no one would want to hug the beast that once ruled this landscape.

New fossils reveal that 170 million years ago, a giant crocodile with serrated teeth like a Tyrannosaur Rex haunted Madagascar. Powerful jaws and sharp-edged teeth signal it was an uber-predator. Even the advanced meat-eating dinosaurs called theropods weren’t immune.

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Why it’s hot over the UAE now

Written by Janice Ponce de Leon

If you’re one of those who feels it’s hotter this summer than last year, then you’re wrong. Probably it’s your mind that’s playing tricks on you because the heat and humidity are relatively the same this year compared to summer months past, forecasters said.

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Veteran ocean satellite to assume added role

Written by NASA

A venerable U.S./European oceanography satellite mission with NASA participation that has expanded our knowledge of global sea level change, ocean currents and climate phenomena like El Niño and La Niña will take on an additional role next month: improving maps of Earth’s sea floor.

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Stephen Hawking Flies off the Scientific Reservation

Written by Dr. Roy Spencer

I can understand when pop-scientists like Bill Nye spout scientific silliness. But complete nonsense coming from Stephen Hawking? Really?

In this video, Stephen Hawking claims that Trump withdrawing the U.S. from the Paris Accord could lead to the Earth being pushed past a tipping point, with Venus-like 250 deg. C temperatures and sulfuric acid rain.

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At 12,000 feet, humans did the unimaginable

Written by Kate Seamons

Researchers call it one of the “last frontiers of human colonization”: very high elevations where the oxygen is sparse and the temperatures are icy. Now research out of the Andean highlands of South America suggests the humans who braved such conditions more than 7,000 years ago did so in an impressive manner—year-round.

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Juno Shatters Scientists’ Jupiter Theories In Just 365 Days

Written by Emma Grey Ellis

LAST JULY 4TH, NASA’s Juno spacecraft slowed its record-breaking pace just enough to get caught in the pull of Jupiter‘s gravity. (The timing, according to NASA, was just a very patriotic coincidence.) Either way, Independence Day 2016 was the last time the Juno mission pumped its brakes. In the year since the 66-foot solar-powered craft has given scientists more and weirder Jupiter data than they ever thought possible.

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Peering inside an AI’s brain will help us trust its decisions

Written by Matt Reynolds

Oi, AI – what do you think you’re looking at? Understanding why machine learning algorithms can be tricked into seeing things that aren’t there is becoming more important with the advent of things like driverless cars. Now we can glimpse inside the mind of a machine thanks to a test that reveals which parts of an image an AI is looking at.

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Scientists have developed AI that can read your mind and predict your thoughts

Written by Mike Wehner

At one point in our history, the most impressive example of artificial intelligence was a computer that was really, really good at chess. Today, various pieces of software can do everything from a chat with us on Facebook Messenger to guiding the Mars rover Curiosity while its human engineers catch a nap. Now, a team of scientists from Carnegie Mellon University has developed an AI that can do something once thought impossible: read the human mind.

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