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genomics

Illustration of two strips of movie film coiled around each other in a double helix.
behavior

Inherited Learning? It Happens, but How Is Uncertain

October 16, 2019

Studies suggest that epigenetics allows some learned adaptive responses to be passed down to new generations. The question is how.

3D illustration of three human skulls, split into left and right halves and nested one inside the next.
evolution

Fossil DNA Reveals New Twists in Modern Human Origins

August 29, 2019

Modern humans and more ancient hominins interbred many times throughout Eurasia and Africa, and the genetic flow went both ways.

Art for "What’s in a Name? Taxonomy Problems Vex Biologists"
taxonomy

What’s in a Name? Taxonomy Problems Vex Biologists

June 24, 2019

Researchers struggle to incorporate ongoing evolutionary discoveries into an animal classification scheme older than Darwin.

Art for "Ancient DNA Yields Snapshots of Vanished Ecosystems"
genomics

Ancient DNA Yields Snapshots of Vanished Ecosystems

May 29, 2019

Surviving fragments of genetic material preserved in sediments allow scientists to see the full diversity of past life — even microbes.

Art for "Scientists Discover Nearly 200,000 Kinds of Ocean Viruses"
Abstractions blog

Scientists Discover Nearly 200,000 Kinds of Ocean Viruses

April 25, 2019

New work raises the estimated diversity of viruses in the seas more than twelvefold and lays the groundwork for a better understanding of their impact on global nutrient cycles.

Art for "New Turmoil Over Weighing Genes’ Share of Complex Traits"
genomics

New Turmoil Over Predicting the Effects of Genes

April 23, 2019

Promising efforts at disentangling the effects of genes and the environment on complicated traits may have been confounded by statistical problems.

Art for "Icefish Study Adds Another Color to the Story of Blood"
evolution

Icefish Study Adds Another Color to the Story of Blood

April 22, 2019

The rainbow of pigments that animals use for blood illustrates a central truth of evolution.

Art for "Researchers Rethink Ancestry of Complex Cells"
evolution

Researchers Rethink the Ancestry of Complex Cells

April 9, 2019

New studies revise ideas about the symbiosis that gave mitochondria to cells and about whether the last common ancestor of all eukaryotes was one cell or many.

Art for "New Squid Genome Shines Light on Symbiotic Evolution"
evolution

New Squid Genome Shines Light on Symbiotic Evolution

February 19, 2019

Researchers hope that the genes of a glowing squid can illuminate how animals evolved organs for beneficial bacteria.