This graph shows the distribution of bottom-water dissolved oxygen from July 27 to Aug. 1. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

Researchers Jeff Crooks and Stephany Garcia checked the minnow traps left at the murky mouth of the Tijuana River on a sunny October morning. They didn’t expect any catches. They haven’t had any for ...

Scientists have come to realize that in the soil and rocks beneath our feet there lies a vast biosphere with a global volume nearly twice that of all the world’s oceans. Little is known about these ...

Thousands of dead fish—most of them Gulf menhaden—washed up on the beaches of Brazoria County in Texas. Quintana Beach County Park Tens of thousands of dead fish washed up on the beaches of Texas’ ...

These nodules can act like batteries that split seawater into hydrogen and oxygen In an unexpected twist, metal-rich nodules found on the seafloor are generating oxygen, new research suggests. This ...

Dissolved oxygen meters are used to quantify the amount of dissolved oxygen (DO) in surface waters or at different stages of wastewater treatment. There are two dissolved oxygen meters in the ...

GREENVILLE — Recent water testing found a tributary that feeds the Reedy River in much better health than last month — when leaves littered the stream and dissolved oxygen was lower than had ever been ...

Experienced boiler operators know that oxygen can cause localized, severe corrosion in steam boiler systems through a process called oxygen pitting. This occurs when dissolved oxygen in the water ...

The RDO Trio's smart wiping system turns on automatically when dissolved oxygen readings drop below a user-set level. It clears away buildup that can cause incorrect low dissolved oxygen readings.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...