Catherine Griffin : Science World Report

May 05, 2015 01:05 PM EDT

Performance Enhancing Drugs May Actually Cause Athletes to Compete More Poorly

It turns out that performance-enhancing drugs may actually cause athletes to perform more poorly. Scientists made comparisons between pre-1932 records and post-1932 records, and found that times, distances and other results did not improve as expected in the doping era.

May 05, 2015 12:39 PM EDT

Super Accurate GPS Technology May Create Fleet of Unmanned Package Delivery Drones

A new, centimeter-accurate GPS could create a new fleet of unmanned aerial vehicles that could deliver packages to a specific location on a consumer's back porch.

May 05, 2015 12:08 PM EDT

NASA's New Horizons Reveals that Pluto May Have a Polar Ice Cap

New Horizons is closing in on Pluto and now, images from the spacecraft reveal a bit more about the surface of this icy planet. It turns out that Pluto may actually have an ice cap, which tells scientists a bit more about the dwarf planet.

May 05, 2015 11:42 AM EDT

The Origins of Bioluminesence Sheds Light on These Elusive Millipedes

Bioluminescence is something that has fascinated scientists for years. Animals glow brightly in the gloom, shining out to either warn away predators or attract mates. Now, scientists have discovered a bit more about the origins of bioluminescence.

May 05, 2015 11:39 AM EDT

Like Humans, Dolphins Have Friends and Complex Social Networks

It turns out that humans aren't the only ones that have friends. Scientists have found that dolphins form highly complex and dynamic networks of friends that determine how they mingle and with whom they spend their time.

May 05, 2015 10:34 AM EDT

Curiosity Discovers Evidence of Briny Water on the Surface of Mars

It turns out that Mars may possess briny water on its surface. NASA's Curiosity rover's data has indicated that water may exist under certain conditions.

May 05, 2015 10:08 AM EDT

Mississippi Megafloods May Have Wiped Out the Ancient American Civilization of Cahokia

Mega floods from the Mississippi River may have helped wiped out an entire civilization. Scientists have discovered that at Cahokia, the largest prehistoric settlement of the Americas north of Mexico, major flood events caused its sharp decline.

May 05, 2015 09:06 AM EDT

Stunning Fjords in Norway and Around the World Suck up Carbon

It turns out that fjords may play more of a role in the carbon cycle than once expected. Scientists have found that fjords in Norway and around the world suck up millions of tons of carbon each year.

May 05, 2015 08:37 AM EDT

How Massive Whales Swallow Big Gulps of Food

Scientists have long wondered how rorqual whales, which are baleen whales, can engulf massive mouthfuls of food. Now, they've discovered a unique nerve structure in the mouth and tongue of rorqual whales that can double in length and then recoil like a bungee cord.

May 04, 2015 10:29 AM EDT

New Species of Elusive, Warbling Bird Discovered in China

Scientists have discovered an elusive new bird in China with the help of its distinctive song. The new bird, called the Sichuan bush warbler, likes to hide in grassy, scrubby vegetation.

May 04, 2015 10:11 AM EDT

Newly Discovered Exoplanet is Too Big for Its Tiny, Cool Star

A newly discovered exoplanet may be too big for its star. Scientists have discovered a strange exoplanet orbiting a small cool star about 500 light-years away that's challenging ideas about how planets forms.

May 04, 2015 09:49 AM EDT