Science
Why are sharks afraid of cute and playful dolphins ?
Just like we check under our beds for monsters, sharks check for dolphins before nodding off. That's right, the toughest kids on the...
The Argonaut or the Paper Nautilus.
Amongst tidal debris there sometimes appears a thin papery shell, bearing on its white surface a ribbed pattern like that which shore currents...
What’s the strongest material produced by animals?
Animals can produce incredibly strong substances - so who makes the toughest?
Spider silk, long the strongest known biological material, was recently knocked off...
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...
Virga is rain that does not reach the ground
The word virga is derived from Latin meaning “twig” or “branch”.
We’ve all seen virga, but maybe not known what it’s called. Virga is...
Marine Tourism
Shipwrecked French Champagne – Revealing tastes from the past
Scientists say that 170-year old champagne found on a shipwreck at the bottom of the Baltic Sea actually tasted pretty good. The French...
Kitchen secrets of Ancient Mariner Cooks
The most reliable ships in the world in the 14th and early 15th century, and by far the biggest, were the Chinese junks.
An...
Whales and Dolphins are thriving in Kenyan waters
Following my interview with Dr Gill Braulik of the Wildlife Conservation Society Tanzania Programme, I set out to find out what happens in...
#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...
Beached dead whales can alter the ocean’s carbon footprint
Decades of whaling and fishing for the largest species have altered the ability of oceans to store and sequester carbon.
An individual whale contains...