Catherine Griffin : Science World Report

Sep 06, 2013 02:00 PM EDT

Tiger Shark Migration Pattern May Help Prevent Attacks in Hawaii

Tiger sharks are some of the most dangerous fish in the oceans with their powerful jaws. Now, scientists have learned a bit more about these sharks; they've discovered the migration of mature female tiger sharks, which could provide insight into attacks near the main Hawaiian Islands.

Sep 06, 2013 12:35 PM EDT

Powerful Jets Hurl Gas Out of Distant Galaxy at Near Light Speed

Astronomers may have found out a little bit more about galaxy formation. They've discovered a powerful jet of material being propelled to near light speed by a galaxy's central black hole. This jet of material is blowing massive amounts of gas out of the galaxy, which is limiting the growth of the b...

Sep 06, 2013 11:03 AM EDT

Hibernating Dwarf Lemur Reveals Secret of Sleep in Humans

A hibernating lemur may offer new insight into the secrets of sleep in humans. The adorable fat-tailed lemur can go for days without the deepest part of sleep during its winter hibernation. The findings reveal a little bit more about the science of sleep and why we as humans spend a third of our liv...

Sep 06, 2013 10:20 AM EDT

Scientists Bring Light to Coral Bleaching Mystery

Coral reefs are the rainforests of the sea, hosting a wide variety of creatures that rely on the hard, coral structures for protection and food. Now, scientists have taken a closer look at the phenomenon of coral bleaching and have found out how it occurs at a molecular level.

Sep 06, 2013 09:26 AM EDT

Scientists Discover 'Fingers' of Heat Deep Beneath Earth's Surface

Deep beneath Earth's surface, geological processes are constantly shifting and changing our world. Now, scientists have used seismic waves to detect previously unknown "fingers" of heat, some thousands of miles long, in Earth's upper mantle.

Sep 06, 2013 08:24 AM EDT

Dramatic, Scorching Weather in Summer 2012 Linked to Global Warming

How hot is it going to get? Apparently it's going to be a scorcher. Scientists have calculated that intense heat like that in the summer of 2012 is up to four times more likely to occur now than in pre-industrial America. The root cause? The carbon dioxide in the atmosphere is heating things up.

Sep 06, 2013 07:22 AM EDT

Interstellar Wind Changes Direction After 40 Years: The Location of Our Solar System

Particles, known as interstellar winds, stream into our solar system from interstellar space. These winds flow in one direction, telling scientists a bit more about where we're located in the universe. Now, though, NASA has discovered that these particles have shifted direction over the past 40 year...

Sep 06, 2013 07:12 AM EDT

Scientists Discover Dishonest Deeds Create 'Cheater's High'

Do you cheat? There may be a reason why some who get away with cheating do it over and over again. Scientists have discovered that as long as no one gets hurt, people that get away with cheating experience a "cheater's high."

Sep 05, 2013 01:17 PM EDT

Psychologists Examine the Science of Lying: The Type of Lie Matters

Lying can be an art, but it's also a science. Researchers have taken a closer look at what happens to a person when they tell a lie and have found out exactly what occurs in an individual's brain. Yet exactly what happens doesn't just depend on lying in general--it depends on what type of lie the pe...

Sep 05, 2013 12:12 PM EDT

Earth's Gravity Variations 40 Percent Larger Than Scientists Thought

Earth's gravity field may be a bit bigger than we thought. Using the highest-resolution maps of Earth's gravity field to date, scientists have discovered gravitational variations of up to 40 percent larger than previously assumed.

Sep 05, 2013 11:24 AM EDT

Scientists Discover Thousands of Chemicals in Human Urine

Human urine is a surprisingly complex substance. But now, scientists have finally determined the chemical composition of human urine after more than seven years. They've identified the more than 3,000 chemicals or "metabolites" in the liquid, revealing a little bit more about the human body.

Sep 05, 2013 10:45 AM EDT

How Cheetahs Hunt Their Prey: World's Fastest Sprinter Anticipates Escape

The cheetah is the world's fastest animal, speeding across the savanna with unmatched grace and agility. Now, though, scientists are learning a bit more about how the cheetah captures its dinner. They've found that the cat may anticipate the escape tactics of different prey rather than just relying ...