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Elizabeth Lopatto

A man pulls out his credit card to make a purchase at a shop in Colombo June 11, 2013. Sri Lanka's central bank has told commercial banks to cut the interest rate charged on credit card advances by 4 percentage points in a bid to reduce other lending rates, the deputy governor said on Tuesday. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: BUSINESS) - RTX10JHK

A new way to track your data: with your permission and for a fee

Dropbox CEO Drew Houston

These are the cheapest cloud storage providers right now

Scientists use lasers to manipulate memories in mice

A visitor walks near the receding waters at Folsom Lake, which is 17 percent of its capacity, in Folsom, California January 22, 2014. California Governor Jerry Brown last week declared a drought emergency, and the dry year of 2013 has left fresh water reservoirs with a fraction of their normal water reserves. Picture taken January 22, 2014. REUTERS/Robert Galbraith (UNITED STATES - Tags: ENVIRONMENT TPX IMAGES OF THE DAY) - RTX17T4L

Scientists can now track California’s drought using GPS

What can you do with a satellite the size of a small box of tissues?

Orphaned baby elephants play at the David Sheldrick Elephant Orphanage within the Nairobi National Park, near Kenya's capital Nairobi August 6, 2014. The orphanage under the David Sheldrick Wildlife Trust is operated by Daphne Sheldrick, wife of late famous naturalist David William Sheldrick. The orphaned elephants raised by the trust will be returned to join the undomesticated elephant population in Tsavo National Park, where David was the founder warden from 1948 to 1976, when they mature, usually between eight to 10 years old. REUTERS/Thomas Mukoya (KENYA - Tags: SOCIETY ENVIRONMENT TRAVEL ANIMALS) - RTR41FQ8

WHAT IN THE WORLD

More evidence that Chinese demand for ivory is destroying African elephant herds

Facebook’s Slingshot app is a dud, but it’s still going to be useful

Slack’s explosive word-of-mouth growth in one amazing chart

Some of the internet’s coolest new businesses are based on a technology older than the web

Apple MacBook Air

This is the chip that could make your MacBook even thinner and lighter