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Treated with zinc nanoparticles, mung bean plants like these grew larger and produced more beans. Chad Zuber/Shutterstock.com

How nanotechnology can help us grow more food using less energy and water

Growing enough food to feed 9 billion people by 2050 will require huge amounts of energy and water. Using nanoparticles to boost plant growth and yield could save resources and reduce water pollution.
Working bee colonies. Elina L. Nino

Deciphering the mysterious decline of honey bees

Honey bees, which pollinate many valuable crops, are threatened by parasites, pesticides and development. But selective breeding, more benign pesticides and better nutrition could help turn the tide.
Purportedly Chinese dredging vessels are building up land around Fiery Cross Reef in the disputed Spratly Islands in the South China Sea last year. U.S. Navy via Reuters

Troubled waters: conflict in the South China Sea explained

The Philippines is cheering a ruling that China’s vast territorial claims in the South China Sea have no legal basis. But the ruling will also ratchet up military tensions with the U.S.
Try to make this the only time you see a ransomware warning notice. Christiaan Colen/flickr

It’s easier to defend against ransomware than you might think

Ransomware – which encrypts your files and offers to sell you the key – operates differently from other malicious software. Those differences turn out to give potential victims a fighting chance.
We need a global target for reducing emissions in agriculture to meet the Paris Agreement. Farmers have an opportunity to help meet the 2 degree C target in the Paris Agreement, but known practices will not be enough. chrisgold/flickr

Why we need better ways to cut greenhouse gases from agriculture

To meet global climate change targets, agriculture needs an array of innovations and money to get farmers around the world to adopt new practices.
A bathroom in a Los Angeles school is marked for all genders. REUTERS/Lucy Nicholson

Why trans rights nationwide are only a matter of time

New White House guidelines on sex discrimination have caused backlash in some states and school districts. But it won’t last, according to researcher at UMass Amherst.
An EgyptAir plane disappeared from radar en route to Egypt from Paris. REUTERS/Christian Hartmann

Is commercial aviation as safe and secure as we’re told?

Only six percent of airline accidents in 2015 included fatalities. A security expert argues that a more accurate risk assessment of airline travel would take into account close calls.
This clay facial reconstruction of Kennewick Man, carefully sculpted around the morphological features of his skull, suggests how he may have looked alive nearly 9,000 years ago. Brittney Tatchell, Smithsonian Institution

Kennewick Man will be reburied, but quandaries around human remains won’t

A 9,000-year-old skeleton became a high-profile and highly contested case for the Native American Graves Protection and Repatriation Act. How do we respectfully deal with ancient human remains?