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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.


Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

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Studies of infected rhesus monkeys reveal the virus’s long-term hiding places in the body.

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image: Migratory Eels Use Magnetoreception

Migratory Eels Use Magnetoreception

By Kerry Grens | April 14, 2017

In laboratory experiments that simulated oceanic conditions, the fish responded to magnetic fields, a sensory input that may aid migration.


image: Contributors


By Diana Kwon | April 1, 2017

Meet some of the people featured in the April 2017 issue of The Scientist.


image: Hitting It Out of the Park

Hitting It Out of the Park

By Mary Beth Aberlin | April 1, 2017

Cancer can be as evasive and slippery as a spitball, but new immunotherapies are starting to connect.


image: Location, Location, Location

Location, Location, Location

By Anna Azvolinsky | April 1, 2017

Since first proposing that a cell’s function and biology depend on its surroundings, Mina Bissell continues to probe the role of the extracellular matrix.


image: Making CAR T-Cell Therapy Safer

Making CAR T-Cell Therapy Safer

By Catherine Offord | April 1, 2017

Following a spate of patient deaths in clinical trials testing modified T cells for the treatment of cancer, researchers work to reduce the treatment’s toxicity without sacrificing efficacy.


Measuring PD-L1 levels was a great start. Now we need to quantify more protein biomarkers, assess the tumor mutational landscape, and examine immune cell signatures, too.


image: Circadian Rhythms Influence Treatment Effects

Circadian Rhythms Influence Treatment Effects

By Jyoti Madhusoodanan | April 1, 2017

Across many diseases, taking medication at specific times of day may make the therapy more effective.

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