Uncategorized
- Space
Galactic black holes may be more massive than thought
The giant black holes at the cores of massive nearby galaxies may be two to four times heftier than estimated.
- Earth
When the Great Lakes were lower
New archaeological evidence shows signs of prehistoric hunting and other human activities on now-submerged portions of Lake Huron.
- Physics
Friction gives snakes a smooth slither
Combination of friction and push propels snakes forward on flat surfaces.
- Humans
Children get social with virtual peers
Life-size 3-D versions of children can draw kids with autism into social encounters and more news from the annual meeting of the Jean Piaget Society in Park City, Utah, June 4-6.
