"Django Unchained, " which has not one but two blow-out endings, is overlong energy is lost when the narrative loses track of Django's quest for his wife and it will surely be too blood-bespattered for many moviegoers.

WSJ: Joe Morgenstern Reviews Django Unchained and Promised Land

This, too, can be hyperpolarised but, unlike 3He, it can also be absorbed by blood, and can thus get into the rest of the body, an effect that may be useful for other types of diagnosis.

ECONOMIST: Medical imaging

They came up with a promising candidate, tweaked it so it would be absorbed in the blood as a pill and then performed the key experiment testing it in mice to see if it would shrink tumors.

WSJ: New Medical Strides Against Prostate Cancer

Existing models are based on indirect measures of how infectious an animal is a cow with high levels of the virus in its blood, for instance, is assumed to be able to infect other animals.

ECONOMIST: Foot-and-mouth disease

Since porphyrins are taken up by blood vessels, some researchers reckon that they might be useful in treating atherosclerosis an inflammatory process that thickens and damages the vessel wall.

ECONOMIST: Medicinal light-swords

This approach has the advantage that the tissue has a functioning system of blood vessels to deliver nutrients, so it should be possible to grow tissue cultures more than a millimetre thick the current limit.

ECONOMIST: Monitor

Topping up the supply of healing fluid might be done by mimicking another biological system the network of blood capillaries that supplies living tissues with the stuff they need to thrive.

ECONOMIST: Monitor