Prehistoric insects like dragonfly-sized Meganeura and two-meter-long millipedes once dominated Earth’s skies and swamps.
The Tennessee River, one of the most important waterways in the South, sustains hundreds of species in the water, air, and ...
The secret is out: Man and gomphotheres once coexisted in Sonora. Tools and spear tips found with fossil bones at a remote Sonoran site suggest that Clovis-era hunters butchered two juvenile specimens ...
Jurassic dinosaurs milled about ancient Scottish lagoons, leaving up to 131 footprints at a newly discovered stomping ground on the Isle of Skye in Scotland, according to a new study. Jurassic ...
医生们表示,针对最残酷、最具破坏性的疾病之一——亨廷顿病的疗法首次取得成功。这种家族遗传病会残酷无情地杀死脑细胞,症状与失智症、帕金森氏综合症和运动神经元疾病共患相类似。 Huntington's is one of the most brutal and devastating of all diseases. It's caused by a faulty gene which ...
There are enchanting picture books for the smallest story lovers, beautifully crafted novels for confident readers to sink their teeth into and lots of spooky stories for older readers who like a ...