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A mechanism for concentrating carbon dioxide has for the first time been successfully transferred into a species that lacks such a process.

Imaging sperm as they travel through the female reproductive tract has revealed new details about fertilization at the molecular level.

Using multiple human annotators and ensembles of trained networks can improve the performance of deep-learning methods in research.

Moving patients between wards and prescribing high levels of antibiotics increases the spread of bacterial infections that are resistant to treatment in hospitals.

Sea slugs increase the longevity of the chloroplasts they steal from algae by limiting the harmful side-effects of photosynthesis.

Social rank differentially influences how male and female mice respond to chronic stress.

Compartmentalized oscillations of second messengers affect global cellular signaling.

Interactions between viral RNA and the integrase enzyme are required for HIV-1 particles to become infectious, a process that can be disrupted through multiple mechanisms.

Vulturine guineafowl range over larger areas, explore more new places and are more likely to reproduce when they live in groups of intermediate size.

Research on mutant tobacco plants shows that a pigment called β-carotene is not necessary for photosynthesis.