Smithsonian magazine shares a look at copepods at various life stages. They go through six larval and six juvenile stages between egg and adulthood, growing a new pair of legs at each stage. The photos were taken by Angel Fitor, a marine scientist and wildlife photographer.
In every drop of water is a hidden world. Scuba divers can’t see it through their masks; neither can snorkelers swimming among the coral reefs. To really enter this world, you need to look through a magnifying lens. There you’ll see a vast array of vanishingly small plankton, including crustaceans known as copepods. They come in some 13,000 known species, from glimmering-blue sea sapphires to noodle-shaped cod worms. Some roam freely, while others cling to plants or animals. One copepod species can swim into the womb of a gestating shark and attach itself to her calf.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.
