61.   The biologists have found that tunicates that are torn from their substrate or that have their outer layer torn or scraped, have little chance for survival.

62.   The best way to dress is in layers, including wool or synthetics, shelled gloves and a water-resistant outer layer to stay dry where the ice gets wet.

63.   The outer layer is a foot thick and is made primarily of Kevlar to protect the enclosure from high-velocity micrometeors and man-made space debris.

64.   The new gel contains an additional ingredient, called SEPA, which temporarily makes the outer layer of skin more permeable.

65.   The other two lesions, called seborrheic keratoses, were noncancerous growths of the outer layer of skin.

66.   The outer layer of our skin is normally impermeable, keeping body fluids in and everything else out.

67.   The outer layer, or cortex, of the adrenals is another story.

68.   The overwhelming message of the collection, however, was an outer layer of transparent fabric.

69.   The most massive ones are losing their outer layers to the searing stellar winds.

70.   The resulting exposure to air signals the keratinocytes to form a tough outer layer, called the stratum corneum, that resists injury and infection.