Rats can estimate their timing accuracy

Thanks to their capacity for introspection, human beings are able to estimate the duration of their actions. When they perform a task—especially a time-based task—they can evaluate their performance and correct themselves ...

Brain capacity compared in humans and birds

The working memory is the brain's ability to process information for a short period of time in a retrievable state. It is essential for performing complex cognitive tasks, such as thinking, planning, following instructions ...

How smart is an octopus?

The unique brainpower of octopuses—known for their intelligence and Houdini-like escapes—has been revealed by University of Queensland researchers.

Shape-morphing microrobots deliver drugs to cancer cells

Chemotherapy successfully treats many forms of cancer, but the side effects can wreak havoc on the rest of the body. Delivering drugs directly to cancer cells could help reduce these unpleasant symptoms. Now, in a proof-of-concept ...

Researchers film fundamental life process at cellular level

All proteins in a cell are assembled by complicated molecular machines. The precursors of these ribosomes are produced in the cell nucleus and then enter the cell through the so-called nuclear pores. Researchers at the University ...

To better understand speech, focus on who is talking

Seeing a person's face as we are talking to them greatly improves our ability to understand their speech. While previous studies indicate that the timing of words-to-mouth movements across the senses is critical to this audio-visual ...

EPA rule sharply limits HFCs, gases used as refrigerants

In what officials call a key step to combat climate change, the Environmental Protection Agency is sharply limiting domestic production and use of hydrofluorocarbons, highly potent greenhouse gases commonly used in refrigerators ...

Rhesus monkeys found to choke under pressure

A team of researchers at Carnegie Mellon University has found that like humans, rhesus macaques can choke when facing a high-stakes situation. In their paper published in Proceedings of the National Academy of Sciences, the ...

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