Science
Teeth or bristles
Cetaceans divide into two groups in the manner they catch their food using teeth or bristles
Most cetaceans have triangular teeth and feed on...
Can white sharks see in murky water?
SHARK EYESIGHT
A shark's eyes are almost on completely different sides of its head, so the shark has a nearly 360-degree field of Vision. However, they have...
Where did the Gansbaai sharks go?
Gansbaai is one of three great white shark cage diving hotspots in the world and the only location with all year round shark...
Clouds that look like ocean waves. What is it?
Van Gogh clouds! Like breaking ocean waves.
They are called Kelvin Helmholzt clouds, aka billow clouds or shear-gravity clouds
It’s widely...
#GreenXmas @intheOverberg
We are grateful to the champions @intheoverberg @WWFSouthAfrica @GoSocialSA @GoToSouthAfrica @ShotLeft who created a twitter #chat platform on 25 November where we could share...
Marine Tourism
Red Tide, Blue Tide: Bioluminescence in the Ocean
Red tides, which often contain harmful algal blooms , are caused by chemical reactions that occur between algae and other substances.
Red by day, blue...
Cheerful and chirpy Oystercatchers
The Oyster-catcher ( AFR: Swattobie) is one of those birds that cannot be confused with any of its neighbours, for its brilliant black...
Sharks have cavity-proof teeth
Shark teeth are covered in fluoride, making them cavity-resistant. One 2012 study published in the Journal of Structural Biology found that sharks' enamel...
How Whales Become Entangled
This illustration shows how fishing lines attached to traps and buoys on the ocean floor present a potentially deadly hazard to North Atlantic...
Southern Right Whales..gentle giants of the ocean
The southern right whale, Eubalaena australis, is amongst the largest of the four baleen whales that come close inshore on the southern African...