Evidence is abundant that secular science organizations and their media outlets are committed to leftist positions on a variety of issues, even on subjects outside of science.
Take any scientific subject that overlaps with politics, and you will find the leading journals and mainstream science news organizations presenting leftist positions, often lambasting conservatives.
Celebrating gay marriage is not the only leftist position frequently advocated by secular science news sites. They follow party-line liberal views with few exceptions, and now openly advocate leftist ideas.
Whenever you hear "all scientists agree" or "we now know," it's no guarantee a finding won't be disputed years later. In the following examples, CEH focuses not so much on the content of the disputed subjects as the implications for philosophy of science.
Here are examples of recent claims in science that seem to contradict what some would consider intuitively obvious. They should be kept in mind when evaluating other scientific truisms, like evolution.