Sperm size varies dramatically among different animal species. But why is sperm size so variable when they share the same job—to fertilize eggs? In a new article published in Nature Ecology and Evolution, researchers from ...
Evolution
Jun 21, 2021
1
10
An incredibly light new material that can reduce aircraft engine noise and improve passenger comfort has been developed at the University of Bath.
Materials Science
Jun 18, 2021
1
4343
Chemical additives used in plastic production have been found in herring gull eggs, new research shows.
Ecology
Jun 17, 2021
1
145
A pair of researchers, one with the UK's Natural History Museum, the other a King Island historian, has found an almost complete extinct dwarf emu egg on King Island. In their paper published in the journal Biology Letters, ...
What are the most delicate and valuable things you have handled? How would you feel if your daily job involved handling human eggs and any mistakes would affect someone's life?
Biotechnology
May 18, 2021
0
11
The sex of sea turtle hatchlings is determined by the temperature when the eggs incubate. A higher temperature produces more females, with males produced by lower temperatures.
Plants & Animals
May 14, 2021
0
5
It's a tough time to be a shark. Pollution, industrialized fishing, and climate change threaten marine life, and the populations of many top ocean predators have declined in recent years. In addition to studying sharks in ...
Plants & Animals
May 13, 2021
0
39
A team of researchers from Universidad de Granada and Estación Experimental de Zonas Áridas, both in Spain, has found that male hoopoes provide more nourishment to female mates who paint their eggs well. In their paper ...
In the early 19th century in North America, parasitic infections were quite common in urban areas due in part to population growth and urbanization. Prior research has found that poor sanitation, unsanitary privy (outhouse) ...
Archaeology
May 3, 2021
1
118
Two opposing evolutionary forces explain the presence of the two different colors of spotted salamander egg masses at ponds in Pennsylvania, according to a new study led by a Penn State biologist. Understanding the processes ...
Evolution
Apr 13, 2021
0
2339
