News & Opinion
Top 10 Innovations
Cell & Molecular Biology
Disease & Medicine
Ecology & Environment
Genetics & Genomics
Pharma & Biotech
Image of the Day
Marijuana Research Still Stymied by Federal Laws
Bob Grant | Jan 23, 2017
US scientists continue to have a hard time getting funding to study the health impacts of the drug. But cannabis research in Canada—where medical marijuana is legal nationwide—is different story.
National Academies Detail the State of Weed Science
Bob Grant | Jan 12, 2017
A new report summarizes what we know about the impacts of marijuana use, as more states have legalized the drug for both medical and recreational purposes.
US Government Will Allow More Universities to Grow Pot
Kerry Grens | Aug 11, 2016
The US Drug Enforcement Agency continues to classify marijuana as a Schedule 1 drug, however, perpetuating challenges for researchers.
Cannabis-Based Drug for Epilepsy
Jef Akst | Mar 14, 2016
A marijuana-derived compound shows continued success in treating children with a rare form of the seizure disorder.
Rina Shaikh-Lesko | Oct 26, 2015
Oxytocin and social contact together modulate endocannabinoid activity in the mouse brain, which could help explain the prosocial effects of marijuana use.
Cannabidiol Quells Seizures
Jef Akst | Apr 14, 2015
The marijuana-derived compound shows promise in treating rare forms of epilepsy that cause children to have seizures multiple times a day.
Neuroscience of Marijuana Munchies
Ruth Williams | Feb 18, 2015
Cannabinoids cause appetite-suppressing neurons to produce an appetite-stimulating hormone in mice.
Week in Review: February 10–14
Tracy Vence | Feb 14, 2014
First Ancient North American genome; cannabinoids connect hunger with olfaction and eating; biotechs explore crowdfunding; confronting creationism
Medical Marijuana for Kids?
Aimee Swartz | Jul 17, 2013
The drug has brought relief to children suffering from cancer and other serious ailments, but getting access is often limited by considerable regulatory hurdles.
Week in Review: April 15–19
Jef Akst | Apr 19, 2013
Measuring consciousness; unethical data splitting; the deliciousness of beer; autism mutations linked to cannabinoid signaling; arming animals against electron microscopes