Vitamin D Deficiency
Vitamin D deficiency in children has become extremely widespread.
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Dog Intelligence
Dogs have similar cognitive abilities to two-year-old children.
Improving Geothermal
Chemical innovations could make geothermal power a bigger player in alternative energy.
Merkel Cells
Merkel cells in the fingertips and lips are responsible for our feeling of fine touch.
Diamonds & Extinction
What really killed North America's large mammals at the end of the last ice age?
Mosquito Preferences
A listener asks: Why do mosquitoes find some people tastier than others?
Auditory Synesthesia
Some people hear sounds when they see something move.
HPV Vaccine
Vaccines against the viruses that cause cervical cancer are proving to be extremely effective at …
Tools as Body Parts
People perceive tools as extensions of their own bodies.