The Paris Agreement helped steer nations around the world away from a carbon cliff. But a paper in the journal “Science Advances” argues it will be a dead end unless nations also preserve Earth’s ecosystems.

Palo Verde Generating Station

The federal government seeks proposals from businesses to clean up abandoned uranium mines on the Navajo Nation. But some say Navajo-owned businesses aren’t big enough to handle the project. The EPA plans to parse out $220 million to multiple "small businesses."
Apr. 19, 2019
How much are we our DNA? And how much does heredity have to do with just our genetics? Those are among the questions Carl Zimmer explores in his new book. Zimmer writes the “Matter” column for the New York Times and is the author of "She Has Her Mother’s Laugh: The Powers, Perversions and Potential of Heredity."
Apr. 19, 2019
This week, New York City declared a public health emergency associated with a measles outbreak, and mandatory vaccinations have been called for. However, five parents filed a lawsuit against the city’s department of health, claiming it had gone too far in requiring vaccinations.
Apr. 19, 2019
General Casimir Pulaski came to America from Poland to fight alongside George Washington in the War of Independence and was known as the father of American cavalry. And now, an ASU professor and his colleague have uncovered a long-held secret about the general.
Apr. 19, 2019
A system that can restore some brain cell function in pigs hours after death has further blurred the border between life and death, raising numerous ethical questions. The research suggests the chain of brain-cell destruction initiated by oxygen loss might not occur as rapidly, or irreversibly, as once thought.
Apr. 18, 2019
Students and professors at the University of Arizona have designed a device to measure the age of bruises. The idea for the technology came from Dr. Dale Woodridge while working on child abuse cases. After more testing, he hopes to distribute the portable, non-invasive device to medical facilities.
Apr. 18, 2019
A wet winter has alleviated drought conditions in California. Scientists say it’s the first time since 2011 that that’s been the case. But, the Golden State is facing another kind of drought — the lack of an earthquake with a magnitude of six or stronger, although there was a magnitude 2.9 temblor near Berkeley last week.
Apr. 18, 2019
There’s evidence all around us that transportation and mobility are changing, and new analysis says we’re now looking at mobility’s second great inflection point.
Apr. 17, 2019
Earlier this month, abortion-related restrictions in Arizona were targeted in a lawsuit by Planned Parenthood. On Tuesday, the Arizona Senate’s GOP leadership issued a statement criticizing Planned Parenthood, arguing the organization is “asking the courts to give them a legal business boost because they need more individuals to perform abortions in Arizona.”
Apr. 17, 2019
President Donald Trump has signed a plan to cut back on the use of water from the Colorado River, which serves 40 million people in the U.S. West. Trump announced the action Tuesday on Twitter.
Apr. 16, 2019
This next conversation may include concepts that are difficult to grasp, and for some listeners, may be rough. Not literally, though — just metaphorically. New research is looking into how our brains understand and interpret metaphors.
Apr. 16, 2019
As the opioid crisis continues to grip the nation and claim so many lives, researchers around the country are working to come up with solutions to ease it — some practical and some novel. One of those solutions is to create an "opioid vaccine."
Apr. 16, 2019
It is the deadline to finalize an environmental review for a Gila River diversion project in New Mexico. The project has long been up in the air, and New Mexico’s new governor, Michelle Lujan Grisham, promised to end it and redirect millions of federal dollars to efficiency and conservation projects.
Apr. 16, 2019
Monday night is the deadline to comment on a proposed federal rule change over so-called “Waters of the United States.” It could mean big changes for how some waterways are regulated.
Apr. 15, 2019
The discovery of a new human ancestor in the Philippines added another species to our genus, Homo. But at least one expert considers that classification premature. The research appears in the journal Nature.
Apr. 15, 2019
From the East to the West, more developers are planning more data centers across the Valley. Phoenix is considered the second most active data center market in the nation. When it comes to construction activity, the Valley ranks just behind northern Virginia in CBRE’s Data Center Trends Report.
Apr. 15, 2019
Arizona's top health official says increased use of immunization exemptions are putting the state at risk of an outbreak of diseases.
Apr. 14, 2019
One twin rocketed off to space, the other stayed here on Earth — and for 25 months, scientists studied their every move. Arizonans know that this isn’t the plot of a science fiction blockbuster — after all, one of the twins is now running for Senate.
Apr. 12, 2019
This Saturday, several Phoenix-area libraries will participate in the Megathon, a citizen-science project to help speed up Alzheimer's disease research. The event is one example of the citizen science resources available through local libraries.
Apr. 11, 2019
NASA has released the results from its one-year study of twin astronauts Scott and Mark Kelly, and the news is encouraging. The results of the 750 hours of research, which occurred from 2015-2016 and involved 10 teams and 84 scientists, appears in the journal Science.
Apr. 11, 2019