Headlines

Targeted inheritance of sex improves animal breeding

One of the fundamental rules of inheritance states that different alleles (gene copies) of a trait, such as sex, are inherited with equal frequency. "However, we have long known that there are genes that can increase their rate of inheritance," explains Bernhard Herrmann. His

Mapping our deep-rooted relationship with medicinal plants

Long before modern pharmaceuticals, our ancestors turned to plants to find cures for ailments from infections to parasites to fevers. A new study by Harvard researchers reveals the deep roots of that relationship: Several hot spots of medicinal plant diversity correspond to

Zooplankton in the Nile: Diversity under threat from dams

A research team from the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) has analyzed the zooplankton communities in the White Nile and Blue Nile in Khartoum. It is the first study of plankton in the Sudan Nile since the 1980s and provides an important

How cancer cells tolerate missing chromosomes

A hallmark of cancerous cells is an abnormal number of chromosomes or chromosome arms, known as aneuploidy. While aneuploidy is detrimental to regular cells, it occurs in as many as 90% of tumors. How cancer cells tolerate this chromosomal imbalance has remained unclear.

Yes, the universe can expand faster than light

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be straightforward. Objects are still emitting light, and that light takes time to travel from them over to here, but in that intervening time, the universe grows

Is the universe Infinite?

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond our observable horizon.