Catherine Griffin : Science World Report

Dec 11, 2014 01:39 PM EST

Invasive Species Can Alter Entire Landscapes and Ecosystems

How much can an invasive species impact an ecosystem? It has the potential to alter entire landscapes, according to a new study.

Dec 11, 2014 01:21 PM EST

Body's Cold Sensor May Hold the Key for Frostbite and Hypothermia Treatments

As temperatures drop, our bodies try to keep warm. Now, scientists have taken a closer look at the body's cold "sensor," and have found that it could hold the key for frostbite and hypothermia treatments.

Dec 11, 2014 01:01 PM EST

How Birds Pinpoint Sound Without External Ears

Birds don't have external ears, so how do they manage to navigate and identify sources of sound without them? That's the question that scientists tackled and now, they've found out how birds are able to localize sounds without external ears.

Dec 11, 2014 12:24 PM EST

Physicists Detect Possible Dark Matter Signal from the Perseus and Andromeda Galaxies

Scientists may have detected a possible signal from dark matter. They've picked up an atypical photon emission in X-rays coming from space, which could be evidence for the existence of a particle of dark matter.

Dec 11, 2014 11:57 AM EST

What Caused the Rise and Fall of the Roman Empire: Water

Smart agricultural practice and an extensive grain-trade network allowed Romans to thrive in a water-limited environment. But when the empire was pushed to the limits of its food resources, it eventually fell.

Dec 11, 2014 10:33 AM EST

Drying Amazon Caused Vegetation Declines and Carbon Release Over 13 Years

Climate change may be having a major impact on Amazon vegetation. NASA satellites have shown that a 13-year decline in vegetation in the eastern and southeastern Amazon can be linked to a decade-long rainfall decline in the region.

Dec 11, 2014 08:40 AM EST

Oldest Horned Dinosaur Species in North America is the Size of a Crow

During the early Cretaceous in North America, a horned dinosaur species stalked the forests. Now, scientists have taken a closer look at this newly discovered species, and have revealed that it's the first definite horned dinosaur species from that period.

Dec 11, 2014 08:02 AM EST

Plastic Pollution in the World's Oceans is Spiraling Out of Control

Plastic pollution is becoming a serious issue for our world's oceans. Now, scientists have found that nearly 269,000 tons of plastic pollution may be floating in Earth's seas. The findings show exactly how serious the pollution situation has become over time.

Dec 11, 2014 07:15 AM EST

Rosetta Spacecraft Hints that Earth's Water Didn't Arrive by Comet

ESA's Rosetta spacecraft has discovered that the water vapor from its target comet is significantly different to that found on Earth, which could spark debate about the origin of our planet's oceans.

Dec 11, 2014 06:50 AM EST

How Rapid Climate Change May Endanger Ectotherms: Lizards, Turtles and Others

Scientists have taken a closer look at ectotherms to see how they might be able to keep pace with climate change.

Dec 10, 2014 08:54 PM EST

Agents of SHIELD Star, Aisha Tyler and Carrie Kemper Examine Women in Science

Are we encouraging girls to pursue scientific careers? That's the question that the Paley Center for Media examined on Monday.

Dec 10, 2014 01:42 PM EST

Leaf-Cutter Ants Select Fungus for Their Farms to Be More Productive with Time

It turns out that fungus-growing ants are picking when it comes to cultivating their crops. Scientists have discovered that a lineage of South American ants have an evolutionary history of improvement of their fungal crops.