Nature rounds up a sample of the reactions from researchers and science advocates on social media as Donald Trump became the 45th US president. Trump has questioned the validity of climate science and linked autism to childhood vaccinations, stirring up worries over how his administration will approach science and research in the United States.

Many highlighted the value of diversity in science.

Others were concerned about the future of science education.

Some worried about funding for certain scientific fields.

And others celebrated science and all its accomplishments.