Tunicates, commonly called sea squirts, are a group of marine animals that spend most of their lives attached to docks, rocks or the undersides of boats.
These pearls are gorgeous. Freshwater pearls can take between one to six years to form, and saltwater pearls from five to 20 years. The longer the pearl stays in the shell the larger it gets due to the continuous nacre coating.
The psalmist says, “Deliver me out of the mire, and let me not sink: let me be delivered from them that hate me, and out of the deep waters. Let not the waterflood overflow me,…
Human circadian rhythms tend to be closely tied to the rise and fall of the sun each day, occurring in fairly regular 24-hour cycles. But by no means is this how all organisms’ internal clocks operate. Science News recently compiled seven of the strangest circadian rhythms.
Yellow-eyed penguins are easily identifiable among other species because of the yellow color of their eyes. They have a light yellow stripe around each eye that continues and joins in the back of their head.
Not only are hummingbirds the smallest birds in the world, many weigh less than a penny, they are also among the most colorful and are often referred to as “feathered jewels.”
Treefrogs are adapted for an arboreal (in the trees) existence, with long limbs and digits that help them cling to twigs and bark. They also have large suction pads or adhesive discs at the tips of their toes,…
Myrmecophytes, meaning “ant plant,” are plants that have a mutualistic relationship with ants that is so tightly interwoven that each species could perish without the other.