It might be a pretty important question.
You probably wouldn't know one if you saw one.
Bring back scientific decision making
It sounds scary, but we're probably fine
Science blogger Yvette d'Entremont fights pseudoscience with snark
Learn About These GMO Facts
The flies, created by the same company that has tested genetically modified mosquitos, are designed to crash local populations of the pest.
Tiny nanoparticles are a huge part of our lives, for better or for worse.
Bats are helpful insect eaters and providers of tequila, not just Halloween decorations. But their connection to the holiday is fitting.
Using nature as a guide, geneticists build plants with qualities evolution could never produce
Launch the gallery below, and enjoy our favorite pictures of the year, all in one place
Every day we're exposed to thousands of man-made chemicals, some of which seep into our bodies and remain there for decades. What that means for our health, we don't fully understand--but I subjected myself to a battery of new tests in search of answers
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
Arsenic-laced drinking water, lead-contaminated soils and choking air pollution are sadly just the start in some of the world's dirtiest places
Sewage is more than just filth. It's evidence of our worst habits, everything from caffeine to cocaine, all ingested and flushed down the toilet. Now scientists are using wastewater to drug-test entire cities, and the results are sobering
The banana as we know it is on a crash course toward extinction. For scientists, the battle to resuscitate the world's favorite fruit has begun--a race against time that just may be too late to win
Sometimes our biggest fear is not knowing what to fear most. Fortunately, the weird science of risk analysis can teach us to judge better and fear smarter
Making industrious pollinators do double-duty as pest controllers saves time and money for farmers.
From the archives: things you're afraid to ask about digestion.
On the 40th anniversary of Earth Day, we take a look back at where it all began
Study shows pesticide levels likely linked to birth defects in babies conceived during spring and summer months