UTRECHT, Netherlands (AP) — The central Dutch city of Utrecht has installed a “ fish doorbell ” on a river lock that lets ...

but their quick-release valve (if they have one) may be electronic rather than manual, which would become a safety issue if the pump was to die during use. Rather than pulling air out of the ...

Scientists in China have designed a photovoltaic-thermal integrated air-source heat pump hot water system that uses a phase change tank to lower energy consumption and achieve higher power ...

He’s a turtle-y cool dad. Ben Affleck and his middle child, Seraphina, enjoyed a visit to the aquarium on Sunday. The Oscar winner, 52, and the 16-year-old were spotted at the Aquarium of the ...

This fish tank comes with an integrated filtration system with a submersible filter pump and a circulating waterfall along with filter media (carbon, bio-media balls, and a coarse sponge). You can ...