A short, fossilized femur from a 38,000-year-old Neandertal could lead to the first full genome sequence for the closest relative of Homo sapiens.

• 3万8000年前，尼安德塔人遗留的一根短小大腿骨化石，让科学家有机会得到这种现代智人近亲的第一份完整基因组序列。