Butterfly population plummeting across U.S.
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FOX 13 Meteorologist Dave Osterberg explains the recent drop in the butterfly population, and why some scientists say the situation is even worse than they thought.

STEM Fair winners share their projects
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Dr. Catherine White, supervisor of Hillsborough County?s STEM K-12 program, joined Good Day along with this year?s STEM Fair winners to share their winning projects.

Using fog as a vital water source
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FOX 13 Meteorologist Dave Osterberg explains how ?fog harvesting? could provide a solution to critical water shortages in some areas.

FAU researchers track bait thieves
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Captain Dylan Hubbard joined FOX 13 Meteorologist Dave Osterberg to explain a growing concern in recreational fishing: shark depredation.

Debunking ?doomsay fish? tales
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FOX 13 Meteorologist Dave Osterberg explains old folklore surrounding the rare sighting of an oarfish, also known as the ?doomsday fish.? Scientists say seasonal currents can sometimes push them to the surface, and their appearance at the surface isn?t necessarily a sign of a pending earthquake or tsunami.

When is the best time to hunt pythons?
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FOX 13 Meteorologist Dave Osterberg explains why the best time for python hunting is between 8 p.m. and 2 a.m.

New tech turning seawater into drinking water
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FOX 13 Meteorologist Dave Osterberg shows how researchers are turning seawater into drinking water with fewer chemicals at a lower cost.

USF scientists deploy tsunami-sensing buoy
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FOX 13 Meteorologist Dave Osterberg explains how Tampa Bay area researchers are working on a future warning system for potentially catastrophic tsunamis.

Why do mosquitoes thrive in droughts?
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FOX 13 Meteorologist Dave Osterberg explains why you?re more likely to get bitten by a mosquito during dry periods compared to times of heavy rain.

?Hydroclimate whiplash? and LA wildfires
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FOX 13 Meteorologist Dave Osterberg explains how wildfires like the deadly ones burning in California can grow so quickly.

Dave o the Science Pro
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FOX 13's Dave Osterberg makes learning fun again with a look at science stories we can relate to.

Hydrogen under Earth could power planet
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There is enough hydrogen gas under the Earth to power the planet for 100 years, but as Dave Osterberg explains scientists don?t know exactly where it is or how to get to it.

Deterring shark attacks with LED lights
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FOX 13 Meteorologist Dave Osterberg explains how placing LED lights on the underside of surfboards may deter great white shark attacks

Florida?s invasive species: Cuban tree frogs
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FOX 13 Meteorologist Dave Osterberg spoke with an expert at the UF Dept. of Wildlife, Ecology and Conservation about the impact of invasive Cuban tree frogs across Florida.

Florida?s Invasive Species: Cane toads
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FOX 13 Meteorologist Dave Osterberg spoke with an expert from the UF Dept. of Wildlife, Ecology and Conservation about where toxic cane toads come from, and how to spot one.

Florida's Invasive Species: Caecilians
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FOX 13 meteorologist Dave Osterberg visited the Florida Museum of Natural History to find out how Caecilians slithered their way into Florida.

?DANA? storm system causes deadly flash flooding in Spain
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FOX 13 meteorologist Dave Osterberg explains what a DANA is, and what caused it, leading to deadly flash flooding in Spain.

Invasive 'catfish condos' along Florida riverbanks
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FOX 13 meteorologist Dave Osterberg explains how mysterious holes occupied by invasive fish are causing problems for Florida's freshwater ecosystem.

Parts of Sahara Desert turning green amid rain influx
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FOX 13 meteorologist Dave Osterberg explains why an unusual amount of rain is creating patches of green in the Sahara Desert.