I’d try it. Printed meat opens an interesting debate, testing environmentalists’ ethical arguments against eating beef. We know that on the whole raising cattle is environmentally terrible, painful for the animals, and expensive. Could distaste (eg, the “ew-ick” factor) for bio-beef turn into a viable solution? After all, it’s safe, tasty, equally nutritious, would save millions of acres of land, substantially lower carbon footprint, and raise water quality. It also nearly eliminates swine flu, Mad Cow, avian flu, tuberculosis, brucellosis, and other animal-to-human plagues. (I’d argue further that it would relieve ranchers the pain of losing a few head to wolves.)
Bio-beef would resolve countless issues, but the ick factor seems to overwhelm the arguments for it. Thus, testing the boundaries and worth of environmental ethics…
Vat-Meat Approaching the Mainstream: Peter Thiel Seeds Modern Meadow
Billionaire investor Peter Thiel’s philanthropic foundation plans to announce today a six-figure grant for bioprinted meat, part of an ambitious plan to bring to the world’s dinner tables a set of technologies originally developed for creating medical-grade tissues.
The recipient of the Thiel Foundation’s grant, a Columbia, Mo.-based startup named Modern Meadow, is pitching bioprinted meat as a more environmentally-friendly way to satisfy a natural human craving for animal protein. Co-founder Andras Forgacs has sharply criticized the overall cost of traditional livestock practices, saying “if you look at the resource intensity of everything that goes into a hamburger, it is an environmental train wreck.”
Hackers Reverse-Engineer Iris-Scanning Tech, Can Print Contact Lenses That Fool Scanners
When a person scans his or her iris into a biometric system for the first time, the system turns the iris into a code consisting of about 5,000 bits of data. This code is based on about 240 points that are measured in the actual iris image, and is for all intents and purposes a unique digital analog of the iris. The actual iris image is then discarded.
The next time the person needs to authenticate himself or herself, he or she scans the iris again. The device converts this scan into an iris code as well, and the two codes are compared. If the digital codes match—within a reasonable margin of error—then identity is authenticated and access is granted.
But researchers at the Universidad Autonoma de Madrid and West Virginia University have found a way to reverse-engineer an iris image from the digital code itself using genetic algorithms—an iris image so good it can fool a biometric scanner.
Genetic algorithms are those that improve results each time they process data. Like generations of a species over time, they adapt; each iteration of the algorithm produces an iris image with an iris code that is a little more similar to the code being reconstructed. After 100-200 iterations, the algorithm generates an iris image with an iris code that is adequately similar to the original code.
..if a database containing iris codes were hacked, the hackers could construct iris images that would dupe scanners, and they would never even have to get near the actual owner of that iris.
My friends and I always argue about this, I always went with “M” theory, and they always chose the god particle, I guess I was wrong :(. Oh well
Boston Scientists Invent Particles That Allow Humans to Live Without Breathing
The invention, developed by a team at Boston Children’s Hospital, will allow medical teams to keep patients alive and well for 15 to 30 minutes despite major respiratory failure.This is enough time for doctors and emergency personnel to act without risking a heart attack or permanent brain injuries in the patient.
The solution has already been successfully tested on animals under critical lung failure. When the doctors injected this liquid into the patient’s veins, it restored oxygen in their blood to near-normal levels, granting them those precious additional minutes of life.
The particles are composed of oxygen gas pocketed in a layer of lipids, a natural molecule that usually stores energy or serves as a component to cell membranes. Lipids can be waxes, some vitamins, monoglycerides, diglycerides, triglycerides, phospholipids, or—as in this case—fats.
These fatty oxygen particles are about two to four micrometers in size. They are suspended in a liquid solution that can be easily carried and used by paramedics, emergency crews and intensive care personnel. This seemingly magic elixir carries “three to four times the oxygen content of our own red blood cells.”
Similar solutions have failed in the past because they caused gas embolism, rather than oxygenating the cells. According to John Kheir, MD at the Department of Cardiology at Boston Children’s Hospital, they solved the problem by using deformable particles, rather than bubbles.
“We have engineered around this problem by packaging the gas into small, deformable particles. They dramatically increase the surface area for gas exchange and are able to squeeze through capillaries where free gas would get stuck.”