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Sailing illegally toward Europe Darrin Zammit Lupi/Reuters

Migrants at sea: the missing context

The headlines about thousands of migrants losing their lives at sea are shocking. But as news consumers we hear little about the context pushing these people to leave their homes.
It’s an annual ritual, but commencement still has value. Commencement image via www.shutterstock.com

Why commencement still matters

As students walk to receive their certificates on commencement day, what are the thoughts of their teachers who stood at the same place some decades ago? What has changed?
A man undergoes “xenodiagnosis” for Chagas disease in the Argentine province of Corrientes. In this procedure, uninfected triatomine bugs feed on the blood of patients. Later examination of these insects may reveal parasites acquired from infected blood. German Pomar/Reuters

Explainer: what is Chagas disease?

This parasitic infection is endemic in Central and South America, and can lead to serious health complications. Though rare in the US, incidence is starting to increase.
Polemical headlines about student debt combined with a lack of good data can leave some students perplexed. Books bank via www.shutterstock.com

Student debt 101: dearth of data fuels common misperceptions

The remarkable rise in student debt makes for provocative headlines that aren’t always supported by the available research.
Excavating stone artifacts that date from 3.3 million years ago in Kenya. MPK-WTAP

Our stone tool discovery pushes back the archaeological record by 700,000 years

Stone tools excavated in Kenya date back 3.3 million years – making them about a million years older than the oldest known fossils from our own hominid genus Homo. Who made and used these tools?
Why did Penn State take so long to disclose the breach? Laptop image via www.shutterstock.com

Penn State hack exposes theft risk of student personal data

The recent cyber attacks at Penn State have put personal information of 18,000 students in the hands of hackers. What should universities do to protect students’ privacy?
Reactor pressure vessel during construction of Shippingport Atomic Power Station in Pennsylvania, 1956. U.S. Department of Energy, Naval Reactors Program

How nuclear power-generating reactors have evolved since their birth in the 1950s

The basics of fission physics have stayed the same over the decades. But power-generating reactor designs have evolved, turning to new coolants, recycled fuel and other innovations.
More land than water: almond trees account for 10% of the state’s water reserves, according to some estimates. Lucy Nicholson/Reuters

California’s water paradox: why enough will never be enough

California is blessed with so much agricultural land that no matter how much the state conserves or produces, there will also be an economic incentive to consume more water.
Students are encouraged to cheat when they see people getting rewarded for dishonest acts in society. Hand image via www.shutterstock.com

Why do students cheat? Listen to this dean’s words

Surveys show that 95% of high school students and 70% of college students are involved in some form of cheating.
OK, but which sea’s level? And how do you know what it is? Wally Gobetz

Explainer: how do you measure a sea’s level, anyway?

The tides come in, the tides come out. But what is a sea’s level? Technology has evolved since we first started gauging the height of the ocean in comparison to the land.
Still chugging: the operation of existing nuclear plants in the US is being extended far beyond their expected life. James Marvin Phelps/flickr

The case for nuclear power – despite the risks

We cannot eliminate the inherent risks of nuclear power but it is rigorously monitored and has a proven performance of delivering zero-carbon electricity.