Today’s optical illusion is challenging viewers to find a hidden "5" among a sea of "2s." The tricky pattern plays with human perception, making it hard to spot the odd number. Can you find it?

Playing a role in filtering organic matter from seawater, these oysters require pristine water quality, minimal waves and an ...

Over the past 60 years, marine biologists at UC Santa Cruz have monitored the behavior of northern elephant seals that ...