Blog

Ancient skull shows early 'baleen whale' had teeth

Today's baleen whales (Mysticetes) support their massive bodies by filtering huge volumes of small prey from seawater using comb-like baleen in their mouths much like a sieve. But new evidence reported in the journal Current Biology on May 10 based on careful analysis of a 34-million-year-old whale skull from Antarctica -- the second-oldest "baleen" whale...

Read more

Neuroscientists find first evidence animals can mentally replay past events

Neuroscientists at Indiana University have reported the first evidence that non-human animals can mentally replay past events from memory. The discovery could help advance the development of new drugs to treat Alzheimer's disease.

The study, led by IU professor Jonathon Crystal, appears today in the journal Current Biology.

"The reason we're interested in animal memory isn't only...

Read more

Big fish produce disproportionately more and bigger eggs

What difference does it make whether an angler catches one big fish or two smaller fish, each half its weight? Experts assumed that big and small fish invest the same proportion of their energy to make eggs. But a new report in Science by a Smithsonian biologist and colleagues shows that plus-sized females invest disproportionately...

Read more

What gives bees their sweet tooth?

Scientists have discovered bees linger on a flower, emptying it of nectar, because they have sugar-sensing taste neurons which work together to prolong the pleasure of the sweetness.

Newcastle University researchers report that the bees' taste neurons found on their proboscis -- their mouthparts -- fire intense signals for up to 10 seconds -- much longer...

Read more

Global trade spreads deadly frog disease from Asia

New research has revealed a deadly disease that threatens the survival of the world's frogs originated from East Asia, and global trade was almost certainly responsible for the disease's spread.

The frog chytrid fungus (Batrachochytrium dendrobatidis) has long been identified as a cause of the decline and extinction of species of amphibians across several continents since...

Read more