Build an Eco-friendly Snow Globe to Mimic Coral Spawning
Once a year, an underwater blizzard with billions of colorful flakes occurs in coral reef ecosystems. This natural phenomenon is called coral spawning. Corals are essential to our oceans, but they can’t move around the seafloor to find mates. Instead hard corals reproduce by releasing their eggs and sperm into the water. Based on cues from the lunar cycle and … Read more