Oncology & Cancer

Body's natural signal carriers can help melanoma spread

A new study from Finland sheds fresh light on how melanoma cells interact with other cells via extracellular vesicles they secrete. The researchers found that extracellular vesicles secreted by melanoma cells use the so-called ...

Neuroscience

Brain activity intensity drives need for sleep

The intensity of brain activity during the day, notwithstanding how long we've been awake, appears to increase our need for sleep, according to a new UCL study in zebrafish.

Neuroscience

Interactive zebrafish brain

If zebrafish larvae used the internet, they might soon be able to download a map of their entire brain. "We're not at that point yet," explains Michael Kunst from the Max Planck Institute of Neurobiology. "Nevertheless, our ...

Neuroscience

Settling the debate on serotonin's role in sleep

Serotonin is a multipurpose molecule found throughout the brain, playing a role in memory, cognition, and feelings of happiness and other emotions. In particular, researchers have long debated serotonin's role in sleep: Does ...

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