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Why do certain animals get bigger and others get smaller over time? Learn why the size of an animal depends on food availability and extinction risk. Read More Go To Source
Science
Orcas May Devour Marine Mammals, But They Typically Avoid Harming Humans
Visits: 0Orcas, or killer whales, are fierce apex predators capable of taking down almost any prey. In the wild, though, they aren’t known for attacking humans. Read More Go To Source
Science
Goldfish May Have a Longer Memory Span Than Just Three Seconds
Visits: 0Though these popular pets have a reputation for being short on brainpower, new research shows goldfish have memories that can last for weeks, or even months. Read More Go To Source
Science
Real-Time Evolution: Descendents of Stressed-Out Roundworms Mate More
Visits: 5Thanks to epigenetics, generations of worms inherited increased sexual attractiveness when warm temperatures caused defects in their ancestors. Read More Go To Source