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Studies show e-cigarette use continues to grow among minors.

Study Confirms Concerns About Addictive Qualities of Smoking Substitutes

UA researcher finds e-cigarette cartridges can lead to dangerous levels of nicotine intake.
Portion of a NASA topographic shaded relief map of the surface of Mars created using the [Mars Orbiter Laser Altimeter](https://attic.gsfc.nasa.gov/mola/images.html).

NASA Announces Mars 2020 Rover Landing Site

The 28-mile-wide Jezero crater, site of an ancient stream-fed lake, lies near Mars's equator.
Earth's North Polar region.

Climate Change Could Drive Vegetation Changes

Tucson-based scientist charting similar changes from Ice Age.
Yves Lussier, left, and Haiquan Li.

High Schoolers Co-Author Scientific Research Thanks to Internship

A UA professor says the students made significant contributions to research into bioinformatics.
Sherri Williamson prepares to tag a hummingbird at San Pedro House in Cochise County. September 22, 2018

Playing Tag with Hummingbirds

Also on Arizona Spotlight: Luis Alberto Urrea on "The House of Broken Angels"; flutist Gary Stroutsos on playing music in sacred places; and Nancy Stanley on founding the stand-up comedy "Estrogen Hour".
Experts say Alzheimer's is an increasingly urgent problem.

UA Center Receives Funding for Alzheimer's Research

$3.7 million grant to help researchers study problem growing in urgency.
A solar panel array on a rooftop.

UA Researchers Developing Plastic-Based Solar Cells

The group is working on on organic, lower-cost solar power collectors
An artist's illustration of the Kepler telescope.

NASA Bids Farewell to Kepler, Pioneering Planet Hunter

After nine years and more than 500,000 stars observed, the space telescope is retiring.
Children's toys.

Study: Children With Down Syndrome Affected Differently by Naps

Researchers found that naps may hinder the ability for children with Down syndrome to consolidate memory.
Vehicles driving in the summer heat.

$4.5M to Support UA Center's Research on Climate Change

The Southwest Climate Adaptation Science Center is an initiative investigating climate change in the Southwest.
The sun rises over a field in Northern Arizona.

UA Joins Climate Change Coalition

The initiative aims to leverage the expertise of individual universities.
A Waymo self-driving car.

Crowdsourcing Moral Dilemmas to Guide Self-Driving Cars

A new study seeks to understand how the public sees life-and-death decisions encountered on the road.
A student walking down a hallway.

Education Board Adopts New History, Science Standards

The revisions include edits following an outcry over how the draft standards addressed evolution.
Mosaic of the Valles Marineris hemisphere of Mars, by the Viking Orbiter. The Valles Marineris canyon system is visible.

Mars Water Could Support Oxygen-Breathing Microbes

Simple, multicellular life, such as sponges, could survive in briny waters near the surface of the planet.
Studying tree rings helped UA researchers track the movement of the tropics over 800 years.

UA Tree-Ring Researchers Add to Climate Study

Tracked expansion of the tropics; linked it to Sonoran drought
A keyboard on a desk.

UA, Microsoft Working to Make Data Centers Sustainable

The 'Cloud' uses as much power as 6,000,000 homes

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