EnvironmentCity-sized iceberg has turned into a giant swimming pool Satellite photos show meltwater on the surface of iceberg A23a collecting in an unusual way, which may be a sign that the huge berg is about to break apart News
ÎçÒ¹¸£Àû1000¼¯ºÏCAR T-cell therapy makes ageing guts heal themselves Immune cells are most commonly engineered to kill cancers, but now, scientists have shown the technique makes the gut lining of older mice resemble that of younger mice, raising hopes that the same approach could work in people News