Male wolf spiders get luckier following complex courtships

Some male wolf spiders seem to get luckier than others when it comes to courting females. The secret of their courtship? It's complicated, says a new study led by the University of Nebraska–Lincoln.

Do octopuses, squid and crabs have emotions?

Octopuses can solve complex puzzles and show a preference for different individuals, but whether they, and other animals and invertebrates, have emotions is being hotly debated and could shake up humans' moral decision-making, ...

Dense bones allowed Spinosaurus to hunt underwater, study shows

Spinosaurus is the biggest carnivorous dinosaur ever discovered—even bigger than T. rex—but the way it hunted has been a subject of debate for decades. It's hard to guess the behavior of an animal that we only know from ...

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