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NASA reveals nearby planets that could support life

In 2002, on the big island of Hawaii, two astronomers, using the Gemini North infrared telescope, gazed in the direction of the Aquarius constellation. The two men, UA professor of astronomy Laird M. Close and then-UA graduate student Nick Siegler, were looking for binary star systems—solar systems which orbit around two stars instead of one. Read more

Water equity a focus at science diplomacy con

Discussion of equity in water policy took center stage during the “Water Sustainability Challenges for the Americas and Role of Science Diplomacy” panel on the third day of the Science Diplomacy and Policy with Focus on the Americas conference in Tucson from Wednesday, Feb. 22, through Friday, Feb. 24. Read more

Food for bees: Foraging patterns in bumblebees

An experiment focusing on the actions of foragers—bees that leave the hive in search of pollen or nectar—was recently conducted through UA’s Department of Ecology and Evolutionary Biology by former entomology doctoral student Avery Russell. Read more

The science of stress

Stress is a common feeling in all of our lives, and it's brought about by feelings of anxiety, urgency and danger. Stress begins with the diagnosis of an issue, which then kicks off stress responses in the body, leading us to a state of panic and confusion. To counter this, humans have developed ways to calm down and release stress. Read more

Student teams pitch plans for Rooftop Garden Competition

Twenty-four teams made pitches for the Student Union Memorial Center’s Rooftop Garden Competition last week, each comprised of five undergraduate students. As organizers hoped, the teams were made up of students from a broad range of disciplines and backgrounds, each with a completely unique perspective on how exactly to develop a rooftop garden at the SUMC. This marks the second step in the Rooftop Garden Competition launched earlier this month. Read more

Climate change a focus at science diplomacy summit

U.S. representative Raúl Grijalva said climate change is the greatest danger facing the world right now in his closing speech at the Science Diplomacy and Policy with Focus on the Americas conference in Tucson. Applause erupted from the conference attendees, speakers, panelists and organizers in the audience. Read more

Today in science history: February 25

February 25th is a day just like any other, but it has held a number of major scientific discoveries and innovations through history. Ranging from technologically advanced aircraft carriers to patented handguns, February 25th is worth remembering. Read more

Psychologists connect sleep to good learning in toddlers

Parents know that perhaps the toughest part of having young children is getting them to take their naps. Although those precious few minutes, or hopefully even hours, are crucial for the stability of parental sanity, there might be another, even more useful purpose for those coveted nap times. Read more

Today in science history: February 23

If you thought today was a regular Thursday, prepare to be amazed. Over the last 150 years, scientists have made significant discoveries on February 23. Keep reading to learn more about extra-galactic star deaths, nuclear energy and a devastating ecological attack. Read more