Male fish can thank genes for colourful looks
Striking traits seen only in males of some species – such as colourful peacock feathers or butterfly wings – are partly explained by gene behaviour, research suggests.
Mar 22, 2019
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Cannibalism helps fire ants invade new territory
Tropical fire ants (Solenopsis geminata), originally from central and South America, are a highly aggressive, invasive ecological pest. Our new research has shed light on how they successfully establish new colonies.
New short-tailed whip scorpion species discovered in Amazon
A new species of Surazomus, which belongs to the class Arachnida and the order Schizomida, has been discovered in the eastern Amazon, according to a study published March 20 in the open-access journal PLOS ONE by Gustavo ...
Across North America and the Atlantic, an enormous migration journey for a tiny songbird
Blackpoll warblers that breed in western North America may migrate up to 12,400 miles roundtrip each year, some crossing the entire North American continent before making a nonstop trans-ocean flight of up to four days to ...
Why rich parents are more likely to be unethical
Federal attorneys have arrested 50 people in a college admission scam that allowed wealthy parents to buy their kids' admission to elite universities. Prosecutors found that parents together paid up to US$6.5 million to ...
Elite sport is becoming a platform to target the trans community
Tennis champion Martina Navratilova recently called the participation of transgender women in elite female sporting competitions "insane" and "cheating."
In this nematode species, males are needed for reproduction—but not their genes
In 1949, the young biologist Victor Nigon described the reproduction of various species of nematodes, small roundworms that live in the soil in its doctoral thesis. These include Mesorhabditis belari, whose rare male specimens ...
Researchers find fighting and mating success in giant Australian cuttlefish influenced by sidedness
A team of researchers from the University of Rennes in France, Southern Cross University in Australia and the Marine Biological Laboratory in the U.S., has found that both fighting and mating success with giant Australian ...
Sex differences in personality traits in Asian elephants
Scientists from the University of Turku, Finland, have found that male and female Asian elephants differ in their personality. Previous work on a timber elephant population from Myanmar has shown that Asian elephants have ...
How birds become male or female, and occasionally both
The highly unusual "semi-identical" Australian twins reported last week are the result of a rare event. It's thought the brother and sister (who have identical genes from their mother but not their father) developed from ...
