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Biology

Antibiotic uses multiple mechanisms to avoid resistance

Researchers developed a molecule that targets bacterial cells by two different mechanisms--attacking the cell membrane and disabling folate synthesis. This molecule seems to prevent bacteria from developing antibiotic-resistance.

Redesigning the polio vaccine - Lessons from evolution

Current polio vaccines have been successful in nearly eradicating polio in the world. Unfortunately, there have been emerging cases of polio in recent years. To combat this, scientists have designed a new oral poliovirus vaccine that could result in a…