News
- Chemistry
Microscopy providing ‘window into the cell’ wins chemistry Nobel
Three scientists use fluorescence and lasers to see single molecules and other tiny objects.
- Archaeology
Indonesian stencils rival age of Europe’s early cave art
Hand prints outlined in pigment were made in Southeast Asia at least 39,900 years ago, making the paintings about the same age as European cave art.
- Materials Science
Blue LEDs win Nobel Prize in physics
Light-emitting diodes have led to more energy-efficient bulbs that are elbowing out incandescents.
- Chemistry
Lasers wrest oxygen from carbon dioxide
By zapping oxygen molecules off carbon dioxide, an experiment hints that Earth may have had breathable air long before the dawn of plants.
