# Science

How Hummingbirds Evolved With Odd Taste for Sugar

Hummingbirds are the only birds that feed on sweet nectar, but like all other birds, they lack sweet-taste receptors on their palates and long tongues. So how did they evolve a taste for sugary food? Scientists have unraveled the mystery.

# Science

Slow and Steady Mars Rover Finally Completes Red Planet Marathon

A time of 11 years, two months isn't much to brag about if you're running the Boston Marathon. It's pretty good if you're on Mars. NASA's "Opportunity" rover has finally traveled 26.2 miles from its landing site — the length of a standard marathon race — across the surface of Mars.

# Science

Don't Miss Spectacular Full Harvest Moon With Total Lunar Eclipse Sept 27

Don't miss it: a harvest moon eclipsed for three hours will produce an awe-inspiring red glow—and appear to be 14% closer to earth.

# Science

New Birth Control For Pets Could Make Spaying And Neutering Obsolete

Pets of the future, rejoice! Expensive and uncomfortable spay and neuter surgery could be a thing of the past— a simple shot in the haunches will do the job.

# Science

Self-Filling Water Bottle Converts Humidity to Drinks for Thirsty Cyclists, Arid Towns

A university student has invented a bottle that turns humid air into a half liter of water every half hour.

# Science

Breakthrough in Arid Egypt For Making Salty Sea Water Drinkable

A breakthrough design out of Egypt could dramatically cut the cost of purifying water—and make the process easy enough for individuals to do themselves.

# Science

Mealworms Love Eating Styrofoam! Breakthrough Discovery Best In 10 Years

Cleaning up plastic pollution may soon be as simple as feeding it to some hungry bugs now that science has learned how mealworms can thrive on a styrofoam diet.

# Science

In Largest Medical Study of Near-Death Experiences, Awareness Lasts Beyond Brain Waves

Researchers found that nearly two-in-five people resuscitated from cardiac arrest experienced awareness for several minutes after brains stopped functioning.