Kevin Clark

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When your Mac runs slow, give it a tuneup

Macs are solid machines, but just like their owners they have a tendency to get lethargic as they age. Launching and switching programs takes longer, simple tasks become arduous, and the dreaded beach ball of doom appears more often than it did when your machine was new. The operating system just …

We're one step closer to nuclear fusion energy

Scientists with the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory announced today that they have achieved a critical …

Breast cancer spreads when tumors can't 'breathe' - Futurity

Lack of oxygen inside a breast cancer tumor can trigger the chain of events that spreads the disease throughout the body, biologists say.

Cancer

How to spot ISS in your sky

A new map-based feature in NASA’s Spot the Station program makes it even easier to track the International Space Station as it passes over you.<p>This …

Space Exploration

Dr. Lindsey Doe Talks about Sperm

There’s one key difference between kids who excel at math and those who don’t

“I’m just not a math person.”<p>We hear it all the time. And we’ve had enough. Because we believe that the idea of “math people” is the most self-destructive idea in America today. The truth is, you probably <i>are</i> a math person, and by thinking otherwise, you are possibly hamstringing your own career. …

Education

Google Nexus 7 II set to go 4G this month, says leak

The Google Nexus 7 II could go 4G. Leaked specs suggest a 7-inch sequel to the flagship Android tablet will have a high-definition screen and the …