Loss of only one of the genes, a gene encoding the protein PHA-4, negated the lifespan-enhancing effect of calorie-restriction in worms. And, when researchers undertook the opposite experiment—by overexpressing pha-4 in worms—the longevity effect was enhanced. “PHA-4 acts completely independent of insulin/IGF-1 signaling and turns out to be essential for CR-mediated longevity,” says Panowski. “We …
UC researchers (in conjunction with First Nano, a division of CVD Equipment Corporation of Ronkonkoma, New York) have produced extremely long CNT arrays (18 mm) on their EasyTube System using a Chemical Vapor Deposition (CVD) process. “First, we were able to grow the arrays up to 18 mm,” he says, ticking off the achievements. “Second, …
(left) Two transmission electron microscope images of a single-walled carbon nanotube with fullerenes attached to its surface (right) A fullerene/SWNT hybrid structure – a NanoBud. Credit: Esko Kauppinen, et al. Researchers have created a hybrid carbon nanomaterial that merges single-walled carbon nanotubes and spherical carbon-atom cages called fullerenes. The new structures, dubbed NanoBuds because they …
Success on this project would make it far cheaper and easier to see and work at near-molecular nanotech levels. “The resolution of most optical microscopes is restricted by the so-called ‘diffraction limit,’ which means we cannot produce optical images with resolutions higher than a few hundred nanometers,” Xu said. “Currently, the most advanced optical microscope …
The new age of climate re-engineering and the $25 million bounty from Richard Branson is discussed at open the future. It is noted that the re-engineering efforts would have the best chance of succeeding if we adjust technology and behavior to stop making the problems worse. Gregory Benford’s proposal for climate re-engineering is discussed at …
Worldwatch indicates that China has a program for shutting down its smallest, oldest and most polluting and inefficient coal plants It is a small step in the right direction. The State Council, China’s parliament, recently endorsed a plan to accelerate closure of the nation’s smaller coal-fired power plants. The plan is to close the small …
From Biosingularity, and Canada’s National post, word of breakthrough near cure for diabetes In a discovery that has stunned even those behind it, scientists at a Toronto hospital say they have proof the body’s nervous system helps trigger diabetes, opening the door to a potential near-cure of the disease that affects millions of Canadians. The …
Jürgen Altmann has written a book “Military Nanotechnology: Potential Applications and Preventive Arms Control” which has an abstract at this link. From the abstract:Military R&D of NT is beginning to expand, with the USA far in the lead. Arguments for such R&D stress the increased military capabilities expected from NT; risks from military applications – …
