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Recent highlights in research news include: Super-sized animals in Australia were victims of a changing climate; Astronomers make a new measurement of the Hubble Constant, the rate at which the universe is expanding; Scientific curiosity may be the anecdote for partisanship; A study proves the effectiveness of rating video games, Why LSD trips last so long; and the belief of free will can lead to happiness.

Scientists Develop New Flu Vaccines for Man's Best Friend

Scientists at the University of Rochester School of Medicine and Dentistry have developed, for the first time, two new vaccines for canine influenza.

This Is LSD Attached to a Brain Cell Serotonin Receptor

UNC School of Medicine researchers crystalized the structure of LSD attached to a human serotonin receptor of a brain cell, and they may have discovered why an “acid trip” lasts so long.

(Embargo expired on 26-Jan-2017 at 12:00 ET)

Climate Change Helped Kill Off Super-Sized Ice Age Animals in Australia

Changes in the diets of the super-sized megafauna that ruled Australia during the last Ice Age indicate that climate change was a major factor in their extinction.

(Embargo expired on 26-Jan-2017 at 15:00 ET)

Astronomers Measure Universe Expansion, Get Hints of 'New Physics'

Astronomers have just made a new measurement of the Hubble Constant, the rate at which the universe is expanding, and it doesn't quite line up with a different estimate of the same number. That discrepancy could hint at "new physics" beyond the standard model of cosmology.

Antidote for Partisanship? In Science, Curiosity Seems to Work

Disputes over science-related policy issues such as climate change or fracking often seem as intractable as other politically charged debates. But in science, at least, simple curiosity might help bridge that partisan divide, according to new research.

Coral Reefs Grow Faster and Healthier When Parrotfish Are Abundant

A new study compiling 3,000 years of change in reefs in the western Caribbean by Smithsonian scientists and colleagues reveals compelling evidence that parrotfish, which eat the algae that can smother corals, are vital to coral-reef health.

Deep Mantle Chemistry Surprise: Carbon Content Not Uniform

The amount of carbon in the Earth's mantle has been the subject of hot debate for decades.

Video Game Ratings Work, if You Use Them

Critics have questioned the effectiveness of video game ratings, but new Iowa State University research finds children spend less time playing violent video games when their parents use the rating system to guide purchases and set rules for video game play.

New Study Shows Anxiety Impairing Quality of Life for Postmenopausal Women

Anxiety associated with hot flashes, sleep disruption, and muscle and joint complaints

Study Reveals That Climate Change Could Dramatically Alter Fragile Mountain Habitats

Mountain regions of the world are under direct threat from human-induced climate change which could radically alter these fragile habitats, warn an international team of researchers.

Isotopic Similarities Seen in Materials That Formed Earth, Moon

Where did the materials that make up the Earth and moon come from—and when did they arrive?

The Great Unknown: Risk-Taking Behaviour in Adolescents

Adolescents are more likely to ignore information that could prompt them to rethink risky decisions. This may explain why information campaigns on risky behaviors such as drug abuse tend to have only limited success.

Don't Smile Too Big to Be Effective in Online Marketing Ads, Study Funds

If you're seeking investments through online marketing or crowd-funding websites, be sure to smile in your profile photo or your post. But maybe not too big.

Bursts of Methane May Have Warmed Early Mars

Researchers from the Harvard John A. Paulson School of Engineering and Applied Science (SEAS) suggest that early Mars may have been warmed intermittently by a powerful greenhouse effect.

Melting Solid Below the Freezing Point

Phase transitions surround us--for instance, liquid water changes to ice when frozen and to steam when boiled. Now, researchers at the Carnegie Institution for Science* have discovered a new phenomenon of so-called metastability in a liquid phase.

Where Belief in Free Will Is Linked to Happiness

Researchers show that the phenomenon, previously seen in Western populations, also occurs in Chinese teenagers, and can cross cultural divides

University of Miami Doctors Publish Study of First Locally-Acquired Zika Transmission

Following the recent Zika outbreak in Miami-Dade County, a multidisciplinary team of physicians with the University of Miami Health System and Miller School of Medicine published a case study today in The New England Journal of Medicine, describing in detail the nation's first locally-transmitted case of Zika.