| Science Headlines |
|
|
|
|
| Stem cell advance may help transfusion supplies
(AP)
|
| AP - Scientists say they've found an efficient way to make red blood cells from human embryonic stem cells, a possible step toward making transfusion supplies in the laboratory. The promise of a virtually limitless supply is tantalizing because of blood donor shortages and disappointments in creating blood substitutes. -- read full article |
| Tue, 19 Aug 2008 19:13:46 GMT - Yahoo! News: Science News |
|
|
|
|
|
|
|
|
|
|
|
| U.S. Droughts Can Last Centuries
(LiveScience.com)
|
| LiveScience.com - Dips in the sun's activity have triggered centuries-long droughts in eastern North America, according to a new study that examined the geologic record stored within a stalagmite from a West Virginia cave.
The link between periodic droughts and changes in solar activity initially was proposed by geologist Gerald Bond. He suggested that every 1,500 years, weak solar activity caused by fluctuations in the sun's magnetic fields cooled the North Atlantic Ocean and created more icebergs and ice rafting, or the movement of sediment to the ocean floor. ... -- read full article |
| Tue, 19 Aug 2008 16:51:32 GMT - Yahoo! News: Science News |
|
|
|
|
|
|
|
|
|
|
|
| Third of U.S. Schools in 'Air Pollution Danger Zone'
(LiveScience.com)
|
| LiveScience.com - As summer vacation ends and children head back to class, they might need a new school supply: face masks.
About one third of American schools are within an "air pollution danger zone" near major highways and the pollutants that stream from cars and trucks, a new study finds.
Previous research, including the UC Cincinnati Childhood Allergy and Air Pollution Study (CCAAPS), has shown that exposure of school-age children to traffic pollutants near main roads is associated with a greater risk of developing asthma and other respiratory problems later in life. ...
-- read full article |
| Mon, 18 Aug 2008 19:35:47 GMT - Yahoo! News: Science News |
|
| More Science Headlines Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 Next |