Search results for parallel evolution

Plants & Animals Mar 21, 2024

Examining the evolutionary history of the formation of forceps and maternal care in earwigs

Researchers from the University of Tsukuba examined the developmental processes and reproduction-related behavior of 8 of the 11 families of Dermaptera (earwigs) in detail and compared with those reported in previous studies. ...

Plants & Animals Mar 14, 2024

Scientists describe new orchid species related to famous Darwin's orchid

Missouri Botanical Garden scientists and collaborators discovered and described a new orchid species in Central Madagascar with a record-setting nectar spur and close ties to the famous "Darwin's orchid." This novelty species ...

Plants & Animals Mar 14, 2024

Field studies confirm social network shrinking for aging monkeys

As people get older, they increasingly focus on their more important relationships, often turning to family and close friends. This active reorientation towards a few, particularly close relationships could explain why aging ...

Plants & Animals Mar 13, 2024

Research suggests that menopause explains why some female whales live so long

Females of some whale species have evolved to live drastically longer lives so they can care for their families, new research shows.

Plants & Animals Mar 6, 2024

What makes birds so smart?

Researchers at Ruhr University Bochum explain how it is possible for the small brains of pigeons, parrots and corvids to perform equally well as those of mammals, despite their significant differences.

Evolution Feb 29, 2024

Similar genetic elements underlie vocal learning in mammals

The vocalizations of humans, bats, whales, seals and songbirds vastly differ from each other. Humans and birds, for example, are separated by some 300 million years of evolution. But scientists studying how these animals ...

Plants & Animals Feb 21, 2024

Weedy rice gets competitive boost from its wild neighbors

Rice feeds the world. But a look-alike weed has many ways of getting ahead. Weedy rice is an agricultural pest with a global economic impact. It is an aggressive weed that outcompetes cultivated rice and causes billions of ...

Plants & Animals Feb 12, 2024

Examining the range of adulterants that disrupt the hormones of fish and amphibians

The contraceptive pill is obviously not intended for fish and frogs. However, the hormones in the pill and other pharmaceuticals that are not completely broken down in sewage treatment plants can affect aquatic organisms.

Plants & Animals Jan 31, 2024

'Jaws' portrayed sharks as monsters 50 years ago, but it also inspired a generation of shark scientists

Human fear of sharks has deep roots. Written works and art from the ancient world contain references to sharks preying on sailors as early as the eighth century B.C.E.

Biochemistry Jan 25, 2024

Teaching nature to break man-made chemical bonds

For the first time, scientists have engineered an enzyme that can break stubborn man-made bonds between silicon and carbon that exist in widely-used chemicals known as siloxanes, or silicones. The discovery is a first step ...

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