Some people check a wristwatch; others use a smartphone app or the position of the sun. But...
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A 3D model of the tattooed mummy. The top image features textures derived from photographs that were...
A stick insect from the species Acrophylla alta Angus Emmott/James Cook University A newly named species of...
Lung tissue samples from mice, showing the nuceli of cells (blue), cancerous cells (green) and markers of...
The crystal structure of hexagonal diamond ogwen/Shutterstock A harder form of diamond that has eluded scientists for...
Electron micrograph of the HIV pathogen Scott Camazine / Alamy Stock Photo Generating effective protection against HIV...
Streptococcus bacteria are responsible for vaginal and urinary tract infections and newborn infections CAVALLINI JAMES/BSIP/Universal Images Group...
The deep-sea environment is partly dominated by marine tube worms Institute of Deep-sea Science and Engineering, CAS...
The young man, no older than 25, had gone to the afterlife with an opulent assortment of...
The graveyard shift is aptly named. People who work at night have an elevated risk of health...