Artificial intelligence still has severe limitations in recognizing what it’s seeing

zmescience.com – They're endearingly bad at it, to be honest.

Source: Nicholas Baker, Hongjing Lu, Gennady Erlikhman, Philip J. Kellman, Wolfgang Einhäuser. Deep convolutional networks do not classify based on global object shape. PLOS Computational Biology, 2018.

Broadcasting from Deep Space, a Mysterious Series of Radio Signals

nytimes.com – Astronomers have identified a second set of odd radio bursts from the distant universe. Aliens probably aren’t causing it, but what is?

Source: Observations of fast radio bursts at frequencies down to 400 megahertz. Nature, 2019.

Older People Shared Fake News on Facebook More Than Others in 2016 Race, Study Says

nytimes.com – Users aged 65 and older posted seven times as many articles from fake news sites as adult users 29 and younger, a study published this week found.

Source: Andrew Guess, Jonathan Nagler, Joshua Tucker. Less than you think: Prevalence and predictors of fake news dissemination on Facebook. Science Advances, 2019.

The magnetic north pole is moving, causing navigation issues

cbc.ca – In recent decades, the Earth's magnetic north pole has drifted rapidly from Canada's coast toward Russia, causing navigation issues. That has prompted the U.S. military to ask scientists to compensate for its changing position.

Source: Alexandra Witze. Earth’s magnetic field is acting up and geologists don’t know why. Nature, 2019.

Antarctica is losing ice 6 times faster today than in 1980s

cbc.ca – Antarctica is melting more than six times faster than it did in the 1980s, a new study shows. Since 2009, Antarctica has lost almost 252 billion tonnes of ice per year, compared to 40 billion tonnes a year in the 1980s.

Source: Eric Rignot, et al. Four decades of Antarctic Ice Sheet mass balance from 1979–2017. Proceedings of the National Academy of Sciences, 2019.

Research showing steeper increases in ocean heat is not exactly new. So what's up with all those headlines?

discovermagazine.com – There's been good evidence that the oceans were heating up faster than thought. Now, scientists have fitted the puzzle pieces together.

Source: Lijing Cheng, John Abraham, Zeke Hausfather, Kevin E. Trenberth. How fast are the oceans warming?. Science, 2019.

NASA's New World-hunting Satellite Just Found Two More Exoplanets

discovermagazine.com – TESS has found two intriguing and newfound planets orbiting a small star some 50 light-years away.

Source: Diana Dragomir, et al. The Longest Period TESS Planet Yet: A Sub-Neptune Transiting A Bright, Nearby K Dwarf Star. arXiv, 2018.

Imaging ever closer to the event horizon

arstechnica.com – Two new papers probe the matter that's right on the edge of falling in.

Source: Dheeraj R. Pasham, et al. A loud quasi-periodic oscillation after a star is disrupted by a massive black hole. Science, 2019.

Why scientists want to engineer spicy tomatoes

zmescience.com – I mean, who wouldn't want to try a hot tomato?

Source: Emmanuel Rezende Naves, et al. Capsaicinoids: Pungency beyond Capsicum. Trends in Plant Science, 2019.