Why moms take risks to protect their infants

It might seem like a given that mothers take extra risks to protect their children, but have you ever wondered why? A new study led by Kumi Kuroda at the RIKEN Center for Brain Science (CBS) in Japan shows that in mice, this ...

Ancient dinosaur nursery oldest nesting site yet found

An excavation at a site in South Africa has unearthed the 190-million-year-old dinosaur nesting site of the prosauropod dinosaur Massospondylus—revealing significant clues about the evolution of complex reproductive ...

Surprising find in Gila monster study

Baby Gila monsters procrastinate till food's ready—a finding bolstered by a contractor's surprise find in the foothills outside Tucson.

Male wasps help to defend the nest

Male wasps are not exactly famous for their contributions to domestic life. Most do precious little, leaving the nest's maintenance chores to the females. Now a group of researchers has shown that when push comes to shove, ...

How tree sparrows recognize foreign eggs in their nests

Many birds have reason to worry that the eggs in their nest might not be their own: birds often deposit eggs into other nests and it is not easy for parents to tell their eggs from others. Researchers at the University of ...

Keyhole wasps may threaten aviation safety

Over a period of 39 months, invasive keyhole wasps (Pachodynerus nasidens) at the Brisbane Airport were responsible for 93 instances of fully blocked replica pitot probes—vital instruments that measure airspeed—according ...

Male bumblebees leave home without looking back

Male bumblebees leave home and fly away without looking back, making no effort to remember the location of the nest, researchers at the University of Exeter have found.

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