What Animal Has Never Evolved?
The goblin shark, duck-billed platypus, lungfish, tadpole shrimp, cockroach, coelacanths and the horseshoe crab — these creatures are famous in the world of biology, because… Read More »What Animal Has Never Evolved?
Why Are Great Whites Getting Smaller?
There is no reliable population data for the great white shark, but scientists agree that their number are decreasing precipitously. Overfishing and getting accidentally caught… Read More »Why Are Great Whites Getting Smaller?
What Was Before Grass?
The major plant before the grasses was Ferns. When did grass appear on Earth? around 55 million years agoEvolutionary history Before 2005, fossil findings indicated… Read More »What Was Before Grass?
Is Saturn Losing Its Rings?
Saturn’s rings are disappearing. This won’t happen in our lifetime – scientists estimate the rings could vanish in fewer than 100 million years. The particles… Read More »Is Saturn Losing Its Rings?
What Are The 5 Extinction Events?
Top Five Extinctions Ordovician-silurian Extinction: 440 million years ago. Devonian Extinction: 365 million years ago. Permian-triassic Extinction: 250 million years ago. Triassic-jurassic Extinction: 210 million… Read More »What Are The 5 Extinction Events?
Why Are Hammerhead Sharks Built Like That?
This shark’s unusual name comes from the unusual shape of its head, an amazing piece of anatomy built to maximize the fish’s ability to find… Read More »Why Are Hammerhead Sharks Built Like That?
Are Fish Older Than Trees?
Not only are sharks older than trees, but they are also one of the only animals to have survived four of the five mass extinctions… Read More »Are Fish Older Than Trees?
What Bug Has Purple Blood?
Cochineal Order: Hemiptera Family: Dactylopiidae Genus: Dactylopius Species: D. coccus Is cockroach blood purple? The circulatory system in cockroaches is open type. The colour of… Read More »What Bug Has Purple Blood?
What’S The Oldest Thing In The Universe?
Astronomers have discovered what may be the oldest and most distant galaxy ever observed. The galaxy, called HD1, dates from a bit more than 300… Read More »What’S The Oldest Thing In The Universe?
What Is The Oldest Mammal?
A shrew-like creature that lived 225 million years ago is the oldest mammal ever identified. Illustration of Brasilodon quadrangularis, the 225 million-year-old mammal. Sign up… Read More »What Is The Oldest Mammal?