Modern humans generate more brain neurons than Neandertals

The question of what makes modern humans unique has long been a driving force for researchers. Comparisons with our closest relatives, the Neandertals, therefore provide fascinating insights. The increase in brain size, and ...

Microalgae food for honey bees

A microscopic algae ("microalgae") could provide a complete and sustainably sourced supplemental diet to boost the robustness of managed honey bees, according to research just published by Agricultural Research Service (ARS) ...

Infertility's roots in DNA packaging

Pathological infertility is a condition affecting roughly 7 percent of human males, and among those afflicted, 10 to 15 percent are thought to have a genetic cause. However, pinpointing the precise genes responsible for the ...

Probing how proteins pair up inside cells

Despite its minute size, a single cell contains billions of molecules that bustle around and bind to one another, carrying out vital functions. The human genome encodes about 20,000 proteins, most of which interact with partner ...

Basic science shows how a single mutation causes ataxia

Worldwide, only a handful of patients are known to suffer from episodic ataxia type 6, a neurological disease that causes transient loss of muscle control. The cause lies in a mutation that changes a single amino acid in ...

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