Bird brain: Why a cockatoo trick in Australia has scientists enthralled

nbcnews.com – A few years ago, a Sydney scientist noticed a sulfur-crested cockatoo opening his trash bin.

Source: Barbara C. Klump, et al. Innovation and geographic spread of a complex foraging culture in an urban parrot. Science, 2021.

We just got our best-ever look at the inside of Mars

technologyreview.com – NASA’s InSight lander has shown the planet’s interior is more complex than previously thought.

Source: Amir Khan, et al. Upper mantle structure of Mars from InSight seismic data. Science, 2021.

We just got our best-ever look at the inside of Mars

technologyreview.com – NASA’s InSight lander has shown the planet’s interior is more complex than previously thought.

Source: Simon C. Stähler, et al. Seismic detection of the martian core. Science, 2021.

Event Horizon Telescope Spots Swirling Jets of Blackhole in Nearby Galaxy

techtimes.com – Through the Event Horizon Telescope, astronomers have spotted the gushing jets from a massive black hole.

Source: Michael Janssen, et al. Event Horizon Telescope observations of the jet launching and collimation in Centaurus A. Nature Astronomy, 2021.

Predictions of Most Human Protein Structures Made Freely Available

the-scientist.com – The AlphaFold program from AI firm DeepMind has amassed a huge database of protein structures from humans and model organisms.

Source: Kathryn Tunyasuvunakool, et al. Highly accurate protein structure prediction for the human proteome. Nature, 2021.

InSight Lander Makes Best-Yet Maps of Martian Depths

sciam.com – The NASA mission used seismic waves from marsquakes to perform a core-to-crust survey of the planet’s subsurface

Source: Brigitte Knapmeyer-Endrun, et al. Thickness and structure of the martian crust from InSight seismic data. Science, 2021.

Take a 3-D Journey Inside a Shark’s Guts

nytimes.com – This is as close to a shark’s intestines as you’ll probably ever hope to get.

Source: Samantha C. Leigh, Adam P. Summers, Sarah L. Hoffmann, Donovan P. German. Shark spiral intestines may operate as Tesla valves. Proceedings of the Royal Society B: Biological Sciences, 2021.

This ‘flexible’ processor is made out of plastic instead of silicon

digitaltrends.com – Researchers have unveiled the PlasticARM processor, which is a flexible CPU built on plastic that could pioneer a new era in computing.

Source: John Biggs, et al. A natively flexible 32-bit Arm microprocessor. Nature, 2021.

Just 1.5 to 7 per cent of the modern human genome is uniquely ours

newscientist.com – Just 1.5 to 7 per cent of the modern human genome is uniquely ours – meaning it emerged after we split from other ancient human groups including the Neanderthals and Denisovans

Source: Nathan K. Schaefer, Beth Shapiro, Richard E. Green. An ancestral recombination graph of human, Neanderthal, and Denisovan genomes. Science Advances, 2021.