Fish Evolve in a 100 Years

Fish evolve in a 100 years, claims an article in Science News 1 June 2018, with the headline: “This saltwater trout evolved to live in freshwater—in just 100 years,” referring to a study also reported in ScienceDaily 31 May 2018, and Molecular Ecology, 26 May 2018; doi: 10.1111/mec.14726. Steelhead trout live in the ocean off […]

Read More

Bees Understand Zero

Bees understand zero, according to articles in ScienceDaily and Nature News 7 June 2018 ABC News8 June 2018, and Science, 8 June 2018, doi: 10.1126/science.aar4975. Previous studies of bees have shown they can count up to four. Biologists at RMIT University, Melbourne, Australia and University of Toulouse in France, have now shown that honeybees understand […]

Read More

Birds Disperse Stick Insects

Birds disperse stick insects, according to reports in Science News and ScienceDaily 28 May 2018, and Ecology, 29 May 2018, doi: 10.1002/ecy.2230. Stick insects are found throughout the world and scientists have wondered how they could have spread to land masses that are separated by long distances. Stick insects are large and don’t fly so […]

Read More

Thirsty Mosquitoes Seek Blood

Thirsty mosquitoes seek blood, according to reports in ScienceDaily 1 May 2018 and Scientific Reports 1 May 2018, doi:10.1038/s41598-018-24893-z. Scientists at University of Cincinatti were studying the effect of dry conditions on mosquitoes when some of the mosquitoes escaped from a laboratory container.  They noticed the dehydrated mosquitoes were very aggressive and tried to bite. […]

Read More

Upright Plants Explained

Upright plants explained in reports in ScienceDaily 2 May 2018, and PNAS doi: 10.1073/pnas.1801895115, published online 30 April 2018. Plants are exquisitely sensitive to being tilted, and will change their growth direction to keep growing upwards if knocked off the vertical by only a few degrees.  It has long been known that plants sense the […]

Read More

“Bird Brain” Revision Needed

“Bird brain” revision needed according to an article in Outside JEB 9 May 2018 doi:10.1242/jeb.170001 and Current Biology doi:10.1016/j.cub.2018.01.036, 5 March 2018. Birds have small brains without a cerebral cortex, the folded multilayered outer region of mammal brains that supposedly makes mammals smarter than other creatures.  Thus, the epithet “bird-brain” is used to insult someone’s […]

Read More

Clams Recycle Urea for Algae

Clams recycle urea for algae, according to reports in Inside JEB 19 April 2018, and Journal of Experimental Biology 14 March 2018, doi: 10.1242/jeb.176313. Giant clams live in close symbiotic relationship with marine algae known as zooxanthellae, which produce nutrients for the clam by photosynthesis.  The algae can make sugars from carbon dioxide and water, […]

Read More

“Silencing dissent kills science”

“Silencing dissent kills science”, as marine scientist Professor Pete Ridd is dismissed by James Cook University (Queensland, Australia).  Popular columnist Andrew Bolt in Courier Mail 24 May 2018, p. 46, reported this after Dr Ridd questioned claims that man-made global warming is destroying the Great Barrier Reef.  Bolt commented: “He may be right, he may […]

Read More

Stone Age Seafarers

Stone age seafarers found according to articles in Science (AAAS) News 24 April 2018 and Science 27 April 2018 doi: 10.1126/science.360.6387.362. Over the past 10 years archaeologists exploring the Greek islands of the Ionian and Aegean Seas have been surprised to find artefacts dated as belonging to Stone Age humans or Neanderthals. In 2008 and […]

Read More

Why Don’t Whales Get the Bends?

Why don’t whales get the bends, ask scientists in articles in ScienceDaily 25 April 2018 and Proceedings of the Royal Society B 25 April 2018 doi: 10.1098/rspb.2018.0482. Ever since decompression sickness was known about in human divers scientists have been intrigued as to why diving animals such as whales, dolphins and sea turtles seem to […]

Read More