Autonomous robot plays with NanoLEGO

Molecules are the building blocks of everyday life. Many materials are composed of them, a little like a LEGO model consists of a multitude of different bricks. But while individual LEGO bricks can be simply shifted or removed, ...

Poison control: Chasing the antidote

Pick your poison. It can be deadly for good reasons such as protecting crops from harmful insects or fighting parasite infection as medicine—or for evil as a weapon for bioterrorism. Or, in extremely diluted amounts, it ...

Probing DNA damage repair

Cells missing the protein HMCES are hypersensitive to DNA-damaging agents that cause a common type of DNA lesion—an "abasic" site. But the agents also generate other types of lesions associated with mutations and cell lethality, ...

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