Jumping worms are wriggling(蠕动)their way across the United States,greedily swallowing protective forest leaf litter and leaving behind bare soil.They replace other earthworms,insects and ground-nesting,and disrupt forest food chains.They can harm more than 12 acres in a single year,changing soil ...
D Jumping worms are wriggling(蠕动) their way across the United States, greedily swallowing protective forest leaf litter and leaving behind bare soil. They replace other earthworms, insects and ground-nesting birds, and disrupt forest food chains. They can harm more than 12 acres in a single ...
The prehistoric-looking alligator snapping turtle is the largest freshwater turtle in North America and has a bite that, it's said, can snap a wooden broom handle in half.
However, the nematic phase formed by the worms is filled with tiny regions where the local alignment is lost - defects in the otherwise aligned material. In addition, because the worms are constantly moving and changing their configuration, thisnematic phaseis active and far from equilibrium. In ...