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Ruston Hartdegen
Howlite, an injured loggerhead sea turtle, is back to normal thanks to a custom weighted vest and at home at the Dallas Children’s Aquarium. [Photo: South Carolina Aquarium]
The Last Word: Bree Kramer on a Rescued Sea Turtle with an Innovative Weighted Vest at Dallas Children’s Aquarium
by David Seeley | Nov 9, 2023
One of the newest residents of the Dallas Children's Aquarium had a big problem after he was injured by a boat: A spinal injury had turned his life upside down. Trapped air—also known as "bubble butt syndrome"—made him float vertically and helplessly at the top of the sea.
![Plano-based inventor Swaminathan Balasubramanian has received a newly granted patent for an "Energy Efficient Legged Mobile Robot." The patent describes a robot with a non-inverted pendulum body and articulated leg system designed to move like a humanoid, carry heavy loads, and minimize joint strain using a self-compensating mass structure. [Source images: USPTO Patent #12263899, left to right: Fig. 1, Fig. 2, Fig. 4; DI Studio background]](https://s24806.pcdn.co/wp-content/uploads/2025/05/Patent-12263899-Utility-robot-patent-fig1-2-4.jpg)
