EarthLittle bugs on the prairie: the key to happy grassland Farming has stripped the US prairies of their essential microbes. Identifying the lost bugs and putting them back could help restore the degraded land 51¶¯Âþ
HealthMedieval bones yield 1000-year-old leprosy genome Ancient DNA sequences are being probed to reveal origins of devastating human plagues 51¶¯Âþ