Glow-cean

Bioluminescence in the coast

  Under the sea, Under the sea, Down where it’s….BRIGHTER take it from me? This is Sandra Tsing Loh with the Loh Down on Science. Some animals have a certain “glow”. It’s called BIOLUMINESCENCE! They use it to communicate in the ocean. But Séverine Martini and Steven Haddock from the

Continue reading

Coral Conundrum

An up close image of coral underwater. The coral in the foreground is bleached white while the coral in the background is brown. Small fish swim in the background.

Could fun in the sun – mean grief in the reef? This is Sandra Tsing Loh with the Loh Down on Science. The sun’s ultraviolet rays cause suntans, sunburns… and an increased risk of skin cancer.  Sunscreen protects our skin by using chemicals like oxybenzone to absorb harmful UV rays.

Continue reading

Grandma’s Guidance

killer whale fins above ocean water

When times get tough…who won’t let you down? Grandma! This is Sandra Tsing Loh with the Loh Down on Science. What do humans and killer whales have in common? Menopause! Only a few species experience it. But why? Is there a reason that whale mamas stop reproducing? Meet Daniel Franks

Continue reading

Glowing Squids

photograph of a humboldt squid swimming in the deep ocean

A light in the darkness…what is it trying to tell us? This is Sandra Tsing Loh with the Loh Down on Science. Welcome to the MIDNIGHT ZONE. Where strange creatures wander through a pitch black eternal night. But what’s that mysterious glow…?   Benjamin Burford’s team at Stanford University looked where

Continue reading

City Life

  Ah, the hustle and bustle of the city…under the sea! This is Sandra Tsing Loh with the Loh Down on Science. Coral reefs aren’t just colorful. They are also LOUD! A healthy reef reverberates with munching fish and scuttling shrimp. But when reefs are damaged? Silence! Like hipsters flocking

Continue reading

Happy Feet the Scientist

Could climate scientists get some help from…Happy Feet? This is Sandra Tsing Loh with the Loh Down on Science. Monitoring our oceans helps us understand how they’re changing. Right now, sensors monitor the sea’s currents, temperature, and salt levels. But they can’t cover the ENTIRE ocean. Picture the data as

Continue reading

Under Pressure

Dum-dum dum da-da dum-dum…You think YOU’RE “under pressure?” This is Sandra Tsing Loh with the Loh Down on Science. The shrimp-like critter, Hirondellea gigas has us all beat! It lives under EXTREME pressure, ten thousand meters deep underwater. How extreme? Eight-hundred times that at sea level! Other crustaceans cannot survive

Continue reading

Mighty Methane Munchers

It’s jolly! Its green! But its …not a giant? This is Sandra Tsing Loh with the Loh Down on Science. The ocean is teeming with diverse life, especially at hot vents on the ocean floor! For example, Archaea — single celled organisms, not to be confused with bacteria. Tiny, one-celled

Continue reading

Fantasy Islands

What do island paradises and diapers have in common? This is Sandra Tsing Loh with the Loh Down on Science, with the poop on coral-reef islands! These islands build up from sediment deposited over time. But where does that sediment come from? Sometimes, from parrotfish! To be specific, parrotfish poop!

Continue reading