The woman who wrote this article is a scientist. She is saying she is asked by secularists "How can a true scientist believe in the gospel message of Christ?" Her article is her answer.
The gospel message of Christ ("love your neighbor," and Christ died for our sins) has absolutely nothing to do with science,
Since you belive in sin and the necessity for reconciliation you obviously believe in God. Presumably, you believe in the Resurrection -- an obvious violation of the laws of nature. Now, how do you answer those who sneer that this belief is irrational and superstitous?
To each his own.