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A typical hoverfly (<em>Spilomyia diophthalma</em>)

The Uppermost Aristocracy of the Hoverfly Society

Fredrik Sjöberg had been hunting for hoverflies for 30 years. But his collection wasn't complete without the rare and beautiful Callicera fly.

A fisherman shovels grey sole, a type of flounder, out of the hold of a ship at the Portland Fish Pier in Maine, September 2015. New research finds the ability of fish populations to reproduce and replenish themselves is declining across the globe. The worst news comes from the North Atlantic, where most species are declining.

Fish Stocks Are Declining Worldwide, And Climate Change Is On The Hook

Fish populations aren't replenishing themselves like they used to. Researchers say there's not enough food for young fish, and it's directly linked to changing temperatures.

ExxonMobil chairman and CEO Rex Tillerson speaks in March 2015 at a discussion organized by the Economic Club of Washington. President-elect Donald Trump is expected to name Tillerson as his nominee for secretary of state today.

What We Know About Rex Tillerson, Trump's Pick For Secretary Of State

President-elect Donald Trump, in a statement early this morning, announced his intention to nominate the ExxonMobil chairman and CEO to become the country's top diplomat.

Leonard Nimoy arrives at the LA premiere of "Star Trek Into Darkness" at The Dolby Theater in Los Angeles, May 14, 2013.

Leonard Nimoy, Famous As Mr. Spock On 'Star Trek,' Dies

Leonard Nimoy, world famous to "Star Trek" fans through a beloved cult TV series and a half-dozen films as the pointy-eared, purely logical science officer Mr. Spock, has died. He was 83.

Vani Hari, known as the "Food Babe," speaks at the Green Festival in Los Angeles on Sept. 12. Hari has made a name for herself by investigating ingredients in Big Food products that she deems potentially harmful. But critics accuse her of stoking unfounded fears.

Is The Food Babe A Fearmonger? Scientists Are Speaking Out

The food system is awash in chemicals and additives. One woman has made a career out of investigating them. But a cadre of critics says she's creating more confusion than clarity about food.

Balboa Park Is Swarming With Pokemon Go Players

More than 5,000 people say they'll be going to Balboa Park on Saturday to catch Pokemon.

President Obama delivers the 2015 State of the Union address. Only about 40 percent of State of the Union requests get through Congress. For Obama, it's been even lower.

CHART: How Much Gets Done From State Of The Union Speeches?

A big part of any State of the Union address is the list of policy proposals for Congress. But do those ideas go anywhere? Here's how well recent presidents have done on this measure.

Canyon Crest Academy senior Eric Chen (far right) won this year's grand prize at the Google Science Fair.

San Diego Teen To Present Influenza Research At White House

Canyon Crest Academy senior Eric Chen will present his award-winning research on potential new drugs to treat influenza at Tuesday's White House Science Fair.

Report: As More People Visit Theme Parks, SeaWorld Attendance Drops

A new report says attendance at SeaWorld San Diego plunged 7 percent last year, a time when increasing numbers of people visited theme parks in the U.S. and abroad.

Cancer Trials At UCSD Aim To Use Body's Immune System

Three clinical trials are recruiting participants at the Moores Cancer Center to test a way to harness the body's immune system to fight cancer.

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