A better way to screen cats for heart disease

Cats are very good at hiding their health problems, a survival instinct from their wild ancestors, when showing weakness made them easier prey. One health problem they hide is heart disease, meaning it can progress to become ...

Mass starvation as a political weapon

Mass starvation killed more than three million people in Stalin-era Ukraine in the 1930s and more than 18 million in China during Mao Zedong's Great Leap Forward in the late 1950s and early 1960s. Yet by the start of this ...

Is a grain-free diet healthier for my dogs and cats?

Grain-free diets are one of the largest growing segments of the pet food market. More and more pet owners are choosing these diets, which are billed as more natural and less likely to cause health problems and allergies. ...

Looking up at the asteroids in the neighborhood

Asteroids fly through our solar system all the time, but it's rare for us to take notice of them. But that's changed this week, as an asteroid passes within 1,231,184 miles of Earth on January 18. The asteroid, dubbed 7482 ...

How DNA repair can go wrong and lead to disease

We often come to an understanding of what causes a disease. We know, for example, that cancers are caused by mutations at critical locations in the genome, resulting in loss of control of cell growth. We know that the onset ...

Up in arms

In December 2012, when Adam Lanza stormed into the Sandy Hook Elementary School in Newtown, Conn., with a rifle and killed 20 children and six adult staff members, the United States found itself immersed in debates about ...

Watching fish swim

As fish go, the lamprey has to be one of the most repulsive. Its eel-like body culminates in a tooth-encrusted sucker mouth straight out of a sci-fi horror film. Yet it turns out the lamprey, the most primitive of vertebrates, ...

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