Donald Trump has signed a new executive order preventing citizens of six Muslim-majority countries from entering the US for the next 90 days. The decree covers Syria, Iran, Sudan, Somalia, Libya and Yemen, but it will not apply to visa holders or dual citizens. Refugees will be denied entry to the country for a period of 120 days.
Trumps original travel ban was struck down by the courts in January; it also included Iraq, which has been left off the list this time.
For the past month, even after the first order was suspended, academics have been detained and questioned at American airports and many others have been left in limbo, afraid to undertake planned travel to the US.
Beyond the effects that the new ban will have on people from the Middle East and North African region, it also has serious repercussions for science. Trumps travel prohibitions are an integral part of a broader ideology that is at war with rational critical thought. It is from that perspective that my scientist colleagues and I find ourselves most concerned.
An attack on scientists
The United States today is the worlds leading scientific research hub, and the largest producer of skilled scientists and engineers. It is difficult to estimate what percentage of the worlds active scientists are US-trained, but it is well documented that somewhere between 30% and 50% of US-trained scientists and engineers at the PhD level are foreign-born.
Many of these highly talented individuals return to their countries to support development at home. Many remain in the US to become the researchers, engineers, medical doctors and tech-entrepreneurs that fuel the economy there.
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It may be anecdotal, but it is worth considering that if the father or mother of a future Steve Jobs were trying to enter the United States today, they may be prevented from doing so. As a panel of scientists and security experts argued after the 9/11 attacks, the US needs the influx of people as much, if not more than, the rest of the world needs to be allowed into the US.
It is illuminating to consider that as far back as 1996, 21% of members of the US National Academy of Science were foreign-born. This does not take into account the US-born children of immigrants who are National Academy members.
The US is where some of the most important scientific conferences, such as the Gordon Conferences, take place, and thus where some of the best ideas that might shape the future of the world are exchanged. It is therefore no surprise that the European Molecular Biology Organisation has criticised the travel ban and created a platform by which its members can offer to host their stranded colleagues.
Many scientists are now wondering whether, in solidarity with their banned colleagues, they should boycott US conferences and refuse invitations to speak in the country. Others believe this to be counterproductive, and the debate rages. Both sides make excellent points, and the answer is not simple.
What is clear is that if the proposed isolationist and discriminatory policies continue, a scientific boycott would have strong moral and political justification, comparable to that of other boycott movements that protest against discriminatory policies all over the world.
An attack on science
The travel ban is detrimental to scientific exchange and progress in the US and possibly globally not just because it is potentially based on bad data. However, there is a far greater menace underlying its ethos, and that of the Trump administration.
The travel ban is detrimental to scientific exchange and progress in the US and possibly globally not just because it is potentially based on bad data. However, there is a far greater menace underlying its ethos, and that of the Trump administration.
While the term alternative facts is great comedy material, the ideology that underlies is not funny.
From a scientific perspective, it is tragic. Science is a process of generating facts (we call them data). In science there are no alternative facts. There may be alternative interpretations of the same facts, but not alternative facts.
Without confidence in facts, there can be no meaningful debate on interpretation, and thus no progress. It is a fact that the planet is warming. It is also a fact that human activity contributes significantly to that warming. Scientists may debate how to tackle these changes, and which model will best predict future effects. However, they do not disagree on the facts.
And science is much more than the collection of data. It is a process of analysis and discussion of data. It is the process that allows rational thought, open debate and the evolution of understanding to rule over personal preferences, individual biases and ideological positions.
This is not the monopoly of people in white coats who speak weird jargon and drink too much coffee. Science is the prerogative of every person in the world. It is what sustains freedom of exploration, respect for positive debate and acceptance of a better idea based on proof.
This is what the language and attitude of the current US administration seeks to undermine.
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The travel ban imposed by the US administration is one symptom of a wider and more dangerous assault on fundamental values of rational thought, evidence-based opinion making and debate.
It is a great irony that we are witnessing attacks on both fact and people from the Middle East and North African region, given that the father of the scientific method is the great scientist and mathematician Ibn Al-Haytham, who just happened to hail from what is today Iraq.
It is no coincidence that this assault also counts among its victims serious journalism and the courts of law.
The core values I have mentioned are key to scientific research, but they are also integral to modern democracy and respect for human dignity and equality. As such, they are worth standing up for by all of us, most of all by scientists.
The Article First Appeared In The Conversation
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