The planet Pluto was discovered 75 years ago today by Clyde Tombaugh at the Lowell Observatory in Arizona. The planet's orbit is tilted 17.1 degrees off the plane of the solar system and it takes 248 years to orbit the sun.

Chief executives at many of the biggest U.S. companies got an average 5% raise last year to $10.7 million. That's around $42,700 per work-day.

The UK Atomic Energy Authority (UKAEA) confirmed 29.6kg of plutonium - enough to make 7 nuclear bombs - was "unaccounted for" in auditing records. UKAEA said there was no reason to think there was any "real loss" of plutonium. Gee, I feel better already.

Microsoft is recalling power cords on 14.1 million Xbox game consoles worldwide because the cords may pose a fire hazard.

The demand for plastic surgery jumped 44% last year. Americans spent $12.5 billion on cosmetic procedures, most of it out-of-pocket. Prices range from $146 on average for temporary microdermabrasion to remove fine lines and acne scars, to nearly $6,000 for a long-lasting face lift. Liposuction was the most popular surgical treatment among men and women with 478,251 procedures done last year.

According to a new UN report, the world’s population will reach 6.5 billion this year, and could reach 7 billion in 2012 and stabilize at 9 billion in 2050.