Caveman Circus
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David Bennett, 57, is doing well three days after the experimental seven-hour procedure in Baltimore, doctors say.
The transplant was considered the last hope of saving Mr Bennett’s life, though it is not yet clear what his long-term chances of survival are.
"It was either die or do this transplant," Mr Bennett explained a day before the surgery. "I know it’s a shot in the dark, but it’s my last choice," he said.
Look again at that dot. That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every “superstar,” every “supreme leader,” every saint and sinner in the history of our species lived there–on a mote of dust suspended in a sunbeam.
A group of paleontologists say the tiny freckles they found on a rock could hold the key to understanding the origins of plant life on earth.
The freckles, Virginia Tech researchers say, are actually billion-year-old seaweed microfossils. They substantially push back the current record of the multicelluar green plant by nearly 200 million years, according to the study published on Monday. Previously, the oldest known fossilized green alga was 800 million years old.
The fossils are so tiny — about 2 millimeters in length or the size of a flea — that they are barely visible without a microscope. But despite their miniscule size, researchers said the microplants may have contributed to the evolution of the land plants that appeared nearly 550 million years later.
On 6 September 2003 at 15:28 UTC, the satellite was badly damaged while being worked on at the Lockheed Martin Space Systems factory in Sunnyvale, California. The spacecraft fell to the floor as it reached 13° of tilt while being rotated. The satellite fell as a team was turning it from a vertical to a horizontal position.
Two years after producing the first-ever image of a black hole, an international team of researchers has released an updated view of the magnetic fields surrounding it — a development they say brings them one step closer to understanding the M87 galaxy’s ability to “launch energetic jets from its core.”
Perseverance will investigate the surface geological processes and history of the Red Planet. This will include an assessment of its past habitability, the possibility of past life on Mars, and the potential for preservation of biosignatures within accessible geological materials. It will cache sample containers along its route for retrieval by a potential future Mars sample-return mission. Perseverance is accompanied by the Ingenuity helicopter drone, which will attempt the first powered flight on any planet beyond Earth as a technological demonstration.
Lone females retreated to isolated nesting boxes on penthouse levels. Other males, a group Calhoun termed “the beautiful ones,” never sought sex and never fought—they just ate, slept, and groomed, wrapped in narcissistic introspection. Elsewhere, cannibalism, pansexualism, and violence became endemic. Mouse society had collapsed.
The Hayabusa 2 mission’s return to Earth earlier this month completed a six-year round-trip mission to asteroid Ryugu. The craft launched in December 2014 aboard a Japanese H-2A rocket, and arrived near Ryugu in 2018 to begin several months of surveys before attempting the first landing.
The spacecraft dropped a fleet of landers and rovers to the explore the asteroid’s surface in late 2018, including a hopping robot developed by engineers in Germany and France.
Scientists are eager to analyse the specimens, which they expect may contain organic molecules. Researchers believe asteroids like Ryugu, or a larger body like the one from which Ryugu split off, could have seeded Earth with the ingredients necessary for life.
Hayabusa 2 departed Ryugu in November 2019 to begin the year-long trip back to Earth.
The James Webb Space Telescope is scheduled for launch in 2021. The Webb telescope will be the premier observatory of the next decade, serving thousands of astronomers worldwide. It will study every phase in the history of our Universe, ranging from the first luminous glows after the Big Bang, to the formation of solar systems capable of supporting life on planets like Earth, to the evolution of our own Solar System.
Testing the MMU for the first time in space required a lot of focus and bravery, but McCandless and Stewart had faith in the hardware. Weighing 300 lbs. /136 kg, the MMU was powered by 24 small compressed nitrogen thrusters with two motion-controlled handles on either armrest for simple maneuvering. It was developed by engineer Charles Whitsett, and McCandless tested the MMU underwater and inside the Skylab space station prior to his famous spacewalk.