Issue # 229 _ March 2015
S&T Policy
Science
ASTRONOMY
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Danger nearby
Brazilian research on nearby asteroids could help estimate the risk of collisions with Earth
By Igor ZolnerkevicPHYSICS
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Sun in the Laboratory
Researchers develop model of luminous atmospheric phenomenon using soap bubbles and a laser pointer
By Marcos PivettaPlanetary Cartography
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Electronic view
Mathematical tools aid automatic identification of craters and whirlwinds on Mercury and Mars
By Pablo NogueiraOBITUARY
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Passion for physics and photography
Alejandro Szanto Toledo helped train a generation of nuclear physicists in Brazil
By RedaçãoECOLOGY
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Living in freedom
Agoutis raised in captivity are adapting to forest life and breeding
By Rodrigo de Oliveira AndradeGenetics
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Attack in the Dark of Night
Melanin fragments formed hours after sun exposure may damage DNA and cause skin cancer
By Carlos FioravantiTechnology
COMPUTER ENGINEERING
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Approach simulator
Equipment for virtual training of guards, developed by a small company, is sold to Brink's
By Marcos de OliveiraBiophysics
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Two in one
Device uses ultrasound and laser simultaneously to rehabilitate arthritis patients
By Yuri Vasconcelos