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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?