They showed that nearly every human cancer cell they examined expressed CD47 — usually at higher levels (on average, about three times more) than did non-cancerous cells. Furthermore, people whose cancer cells express a lot of CD47 tend to have shorter life spans than people with similar cancers that express less CD47. This suggests that an analysis of the levels of CD47 expression in some types of tumors could be a valuable prognostic tool for patients and their doctors.
Willingham and Volkmer then implanted the different human tumor cells into matching locations in the bodies of mice — breast cancer tumors into the mammary fat pads, and ovarian cancer tumors into the abdomen, for example. Once the tumors were well-established (after two weeks or more), they treated the animals with the anti-CD47 antibody.
The researchers saw that most of the established tumors begin to shrink and even, in some cases, disappear within weeks of treatment with the antibody. In one case, antibody treatment cured five mice injected with the same human breast cancer cells. When the tumor was gone, the treatment was discontinued; the mice were monitored for four months with no signs of recurrence.
“These results indicate that anti-CD47 antibodies can dramatically inhibit the growth of human solid tumors by blocking the ability of CD47 to transmit the ‘don’t-eat-me’ signal to macrophages,” concluded the authors.
Overall, oil and gas production on federally controlled land is down by 40% since Obama took office.
So how is it possible that oil production can increase when the Obama administration is so overtly anti-oil?
Easy. As Gerard explains, there’s nothing they can really do to stop it.
While oil production is up, the increase relates almost entirely to investment and leasing decisions made before, sometimes long before, this administration came into office. The increase is also due to oil and gas development on private and state lands over which the administration has little or no control at all.
…while it’s true oil production in America is up, this is clearly in spite of Team Obama’s best efforts. Because the Founding Fathers limited the authority the federal government has on private and state lands, hundreds of small oil companies — not “Big Oil,” as environmentalists want you to believe — are able to drill for oil on private and state land, unencumbered by the heavy hand of Obama’s anti-oil agenda.
For him to take credit for this is like the crowing rooster who thinks it made the sun rise.
Because we’re wasting it on party balloons. It really is a critical strategic resource; it’s nuts to be selling off the reserve. It’s vital for a lot of rocketry.
But here’s my question, that a quick search doesn’t answer. With the increase in natural gas production from fracking, are they capturing the helium along with it? Does this solve the problem? Or is the artificially low prices making it not worthwhile to do so? The other question is, are there places where it’s easy to mine in the solar system? For instance, how practical would it be to skim Saturn’s atmosphere for it?
Through calculations, Busemann found that a biplane design could essentially do away with shock waves. Each wing of the design, when seen from the side, is shaped like a flattened triangle, with the top and bottom wings pointing toward each other. The configuration, according to his calculations, cancels out shock waves produced by each wing alone.
However, the design lacks lift: The two wings create a very narrow channel through which only a limited amount of air can flow. When transitioning to supersonic speeds, the channel, Wang says, could essentially “choke,” creating incredible drag. While the design could work beautifully at supersonic speeds, it can’t overcome the drag to reach those speeds.
If the design “lacks lift” (which it does — that’s the problem with a Busemann biplane) how does it “work beautifully at supersonic speeds”? What holds the airplane up?