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Here's how MIMIC works: Donors fork over a few white blood cells - specifically, peripheral blood mononuclear cells, or PBMCs, which include infection-fighting lymphocytes like T and B cells. The blood cells go into specially designed "tissue constructs," which are forged from collagen and endothelial cells and designed to act just like human skin (think a Barbie Dream House for white blood cells). Each construct is hunkered inside an individual well where the blood cells mingle with the faux tissue. As the blood cells get cozy, they flourish, and a teensy, homegrown, fully functioning human immune system is born...
Before the orbiter attempts that maneuver, it will execute two flybys of the moon Titan, whose opaque orange atmosphere has been increasingly pierced by the spacecraft's radar. And this summer Cassini will make an unusually high orbit above Saturn's massive B ring, promising unique images of the ring, spread like an immense halo around the planet. The ship will also have the rare opportunity to observe the sun cross the plane of the ring from south to north, literally shedding light on the B ring's complex particle structure. "We want to know what a particle would look...
...that lists which offices provided which portion of the total money awarded. “Now you don’t have one student who comes away with more money than he can really use at the expense of some students not getting enough,” says Meg B. Swift ’93, director of Student Employment and Undergraduate Research Programs, which runs the Harvard College Research Program.In spite of the benefits on both ends of the system, the CARAT could still use some improvements. “I don’t understand why I can?...
...said, “you’re not going to like any topic you’re writing about.” Today marks the exciting end of months of work, but for most students the process has not been without hurdles. Elizabeth B. David ’08, a History concentrator, will also turn in her final draft today. “There have been definite moments when I realized that the thirty pages I had written were best in the trash on my computer,” she explained. “The way the process works...
...This administration was unusually impervious to outside advice,” said Ashton B. Carter, a Kennedy School professor who served in the Clinton administration...