Multiple studies show that animals struggle to learn and become more aggressive when temperatures rise.

Also, strong thunderstorms could unleash damaging winds, hail, isolated tornadoes and downpours through much of the week.

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Forecasters are monitoring Tropical Storm Boris and a tropical rainstorm early this week, both of which are expected to bring flooding rainfall and gusty winds to portions of southwestern Mexico.

Still quiet in the Atlantic basin, but the Gulf could become the focus of tropical development towards mid-June.

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Google is seeking EPA approval to release millions of male mosquitoes in Florida and California as part of a plan to reduce disease-spreading mosquito populations.

Also, the infection can be deadly and is driven by a particular type of fungus which lives in the southwestern United States.

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The first tropical storm of the eastern Pacific season has formed and could soon become hurricane. Another area of interest has the potential to develop into a major hurricane and bring dangerous weather to Mexico.

Also, rounds of heavy rain and thunderstorms could trigger dangerous flash flooding in the Texas Hill Country and other parts of the south-central United States through the weekend.

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Tropical Depression One-E forms in the eastern Pacific as a second area with a high risk of tropical development looms to start the hurricane season, while forecasters warn of an active year fueled by El Niño.

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Tropical development is expected to remain limited as the Atlantic hurricane season gets underway, but forecasters say a shift in atmospheric conditions could raise the chances for activity next week.

Also, venomous Portuguese man o’ war spotted on Myrtle Beach as summer travel ramps up. Officials warn to steer clear and leave them alone.

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A weather forecast would help determine whether one of the largest military operations in history could begin. The movie 'Pressure' starring Brendan Fraser tells that story.

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Warm Gulf and southwest Atlantic waters could support tropical development close to Florida in early June, while forecasters also track increasing activity in the eastern Pacific.

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A powerful heat dome has the continent in a death grip. A persistent high-pressure system is trapping hot air. It may remain in place for weeks and is a weather phenomenon made more likely and more intense by human-caused climate change.

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Repeated rounds of heavy rain and thunderstorms will focus from Texas to the Carolinas, easing drought for some, but raising the risk of flash flooding and travel disruptions through the end of May.

With more rain in the forecast, drivers should remember: “turn around, Don’t drown,” when they cannot see the road under floodwater.

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