Lack of opportunities promotes brood care

Male black coucals who care for their broods alone are just as successful as pairs of the closely related white-browed coucal, where partners share parental duties. Researchers from the Max Planck Institute for Ornithology ...

Tiny new fossil crocodile-relative had mammal-like teeth

In the dinosaur-rich fossil beds of Morocco, dated to about 100 million years ago, scientists have discovered a strange new crocodile. A fossil was found of an upper and lower jaw preserved together, with oddly shaped teeth. ...

More gender diversity needed in survey questions: study

Most people have taken a survey or completed a questionnaire in the past that has asked the question: "Are you male or female?" A joint study from Grand Valley State University and Stanford University suggests that this traditional ...

Virus carrying DNA of black widow spider toxin discovered

A tiny virus that may sting like a black widow spider. That is one of the surprise discoveries made by a pair of Vanderbilt biologists when they sequenced the genome of a virus that attacks Wolbachia, a bacterial parasite ...

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