Feature Channels: Evolution and Darwin

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Newswise: Wallflowers Could Lead to New Drugs
Released: 8-Apr-2020 4:55 PM EDT
Wallflowers Could Lead to New Drugs
Boyce Thompson Institute

Plant-derived chemicals called cardenolides – like digitoxin – have long been used to treat heart disease, and have shown potential as cancer therapies. But the compounds are very toxic, making it difficult for doctors to prescribe a dose that works without harming the patient. Researchers now show that the wormseed wallflower could be used as a model species to elucidate how plants biosynthesize cardenolides, knowledge that could aid the discovery and development of safer drugs.

Released: 1-Apr-2020 2:20 PM EDT
Modern humans, Neanderthals share a tangled genetic history, study affirms
University at Buffalo

A new study reinforces the concept that Neanderthal DNA has been woven into the modern human genome on multiple occasions as our ancestors met Neanderthals time and again in different parts of the world.

Newswise: Ancient hominins had small brains like apes, but longer childhoods like humans
Released: 1-Apr-2020 2:00 PM EDT
Ancient hominins had small brains like apes, but longer childhoods like humans
University of Chicago Medical Center

Using precise imaging technology to scan fossil skulls, researchers found that as early as 3 million years ago, children had a long dependence on caregivers.

Newswise: 80wi69napqksfKMak3AIiUGiOs1Nt9hk689H3xipAhhrXC-Ozoc5nA9-KKzXDehyJw7oDsXfBElzrkU7DYj7F0fUEfXBZMWPftUtizZO8CgB6pivq5-B_i2HJfyEFnmxn5tNFsMlJClfCf7GkqXxUVGMbxKP8bB9jVu5u-VJDWuO8nRlxkJmWofTgcBa5UDxfWa-DjcKQo08T6wRFjk=s0-
26-Mar-2020 9:00 AM EDT
Homo naledi juvenile remains offers clues to how our ancestors grew up
PLOS

A partial skeleton of Homo naledi represents a rare case of an immature individual, shedding light on the evolution of growth and development in human ancestry, according to a study published April 1, 2020 in the open-access journal PLOS ONE by Debra Bolter of Modesto Junior College in California and the University of the Witwatersrand, Johannesburg, and colleagues.

31-Mar-2020 3:05 PM EDT
Researchers Find Apelike Brain in Human Ancestor
Florida State University

New research from a team of anthropologists has found that a species widely accepted to be an ancestor to humans had a brain with characteristics of apes.

Newswise: 227797_web.jpg
Released: 27-Mar-2020 11:40 AM EDT
Neanderthals ate mussels, fish, and seals too
University of Göttingen

Over 80,000 years ago, Neanderthals were already feeding themselves regularly on mussels, fish and other marine life.

Released: 26-Mar-2020 1:25 PM EDT
It’s a family thing: FSU research shows guppies help their brothers when it comes to the opposite sex
Florida State University

In a new study published by a Florida State University team, researchers found that male Trinidadian guppies observe a form of nepotism when it comes to pursuing the opposite sex. These tiny tropical fish often help their brothers in the mating process by darting in front of other males to block access to a female.

Released: 25-Mar-2020 10:05 AM EDT
Scientists investigate why females live longer than males
University of Bath

An international team of scientists studying lifespans of wild mammals have found that, just like humans, females tend to live significantly longer than their male counterparts.

Newswise: Teeth Serve as “Archive of Life,” New Research Finds
20-Mar-2020 12:55 PM EDT
Teeth Serve as “Archive of Life,” New Research Finds
New York University

Teeth constitute a permanent and faithful biological archive of the entirety of the individual’s life, from tooth formation to death, a team of researchers has found. Its work provides new evidence of the impact that events, such as reproduction and imprisonment, have on an organism.

Newswise: 227506_web.jpg
Released: 23-Mar-2020 2:55 PM EDT
Christmas Island discovery redraws map of life
University of Queensland

The world's animal distribution map will need to be redrawn and textbooks updated, after researchers discovered the existence of 'Australian' species on Christmas Island.


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