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" Perhaps more than English or history, STEM subjects require an enormous amount of foundational learning before students can become competent. "
Priyamvada Natarajan
Learning
Students
History
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" The existence of dark matter and dark energy are inferred from observations! They are not theoretical constructs. Though invisible, both reveal their presence through the effects that they exert on motions of celestial bodies and in the case of dark matter - the bending of light as well. "
Priyamvada Natarajan
Dark
Energy
Existence
" The early universe was a dusty place, and the UV radiation from the hot, young black holes and stars would get enshrouded by dust, re-radiated, and scattered into red wavelengths like infra-red, causing these objects to remain obscured. "
Priyamvada Natarajan
Black
Hot
Place
" Black holes are enigmatic astronomical objects, areas where the gravity is so immense that it has warped spacetime so that not even light can escape. "
Priyamvada Natarajan
Escape
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Gravity
" We cannot decide on the efficacy of a medical treatment by counting the number of 'Likes' an intervention receives on Facebook; no matter what, professionals will still need to conduct continued clinical trials and evaluate their outcomes carefully. "
Priyamvada Natarajan
Will
Medical
Need
" I am obsessed with trying to understand why there is such rampant denialism of science in our country. I find this exuberant irrationalism extremely disturbing. And this is particularly troubling, because I am a professional scientist. "
Priyamvada Natarajan
I Am
Why
Trying
" Evidence-based reasoning underpins all scientific thinking, and it involves testing hypotheses or theories against data. Validating a theory requires replicable measurements from independent groups with different equipment and methods of analysis. Convergence of evidence is critical to the acceptance of a scientific idea. "
Priyamvada Natarajan
Thinking
Evidence
Data
" Progress in science occurs in fits and starts, and paradigm shifts occur when evidence can be marshaled to support a new point of view. "
Priyamvada Natarajan
Support
View
Science
" My own day-to-day observations confirm that many Americans can barely make change. At the supermarket where I buy groceries, I've watched more than one encounter at the cash register where both customer and clerk are befuddled at the prospect of double-checking the sums. "
Priyamvada Natarajan
Cash
Buy
Change
" We need to make sure that the Voyager probes carrying a record of human civilization speeding beyond our solar system remain an introduction to the world that sent them and not an epitaph for a civilization that caused its own ruin. "
Priyamvada Natarajan
Civilization
Solar
Own
" I'm an astrophysicist and a professor, so my day job involves manipulating intractable numbers that characterize our universe. "
Priyamvada Natarajan
Day
Numbers
Professor
" Scientific knowledge is, by its nature, provisional. This is due to the fact that as time goes on, with the invention of better instruments, more data and better data hone our understanding further. Social, cultural, economic, and political context are relevant to our understanding of how science works. "
Priyamvada Natarajan
Data
Science
Nature
" Evidence has been mounting for the key role that black holes play in the process of galaxy formation. But it now appears that they are likely the prima donnas of this space opera. "
Priyamvada Natarajan
Now
Play
Process
" Everyone acknowledges that there is a political part to tenure, but no one likes to admit it. "
Priyamvada Natarajan
Part
Admit
Everyone
" Being nimble and ready to change our minds if need be is an attribute that is crucial to live and thrive in a society that is powered by science and technology, both as an individual and as an engaged citizen. "
Priyamvada Natarajan
Technology
Need
Live
" Data suggest that central black holes might play an important role in adjusting how many stars form in the galaxies they inhabit. For one thing, the energy produced when matter falls into the black hole may heat up the surrounding gas at the center of the galaxy, thus preventing cooling and halting star formation. "
Priyamvada Natarajan
Stars
Important
Black
" In an era of ever-increasing globalization, what it takes to become and remain a science superpower has fundamentally changed. "
Priyamvada Natarajan
Become
Science
Changed
" We already have a pretty good knowledge of the universe's mass-energy content, so if we can get a handle on its geometry, then we will be able to work out exactly what the fate of the universe will be. "
Priyamvada Natarajan
Work
Fate
Good
" Finding the first seed black holes could help reveal how the relation between black holes and their host galaxies evolved over time. "
Priyamvada Natarajan
Finding
Help
Seed
" All the particles that we are made of only account for about four per cent of the cosmic inventory. "
Priyamvada Natarajan
Made
Inventory
Four
" The geometry, the content, and the fate of the universe are all intricately linked. If you know two, you can deduce the third. "
Priyamvada Natarajan
Fate
Content
Know
" We cannot explain the phenomenon of gravitational lensing without general relativity, and this is where MOND spectacularly fails. "
Priyamvada Natarajan
Cannot
Where
Without
" Mental discipline and tenacity in the face of obstacles are traits that have greatly helped me in both my personal and professional journey thus far. I am also very optimistic by nature and tend to focus on the positive and remain hopeful when faced with adversity. "
Priyamvada Natarajan
Positive
Nature
Me
" I am a phenomenologist - I work on developing theoretical models that are constrained by observations. "
Priyamvada Natarajan
Work
I Am
Am
" Research in basic sciences now requires resources that no one country can provide. "
Priyamvada Natarajan
Country
Basic
Resources
" We scientists have an obsession with unification, a grand synthesis. And dark matter is an irritating missing piece. "
Priyamvada Natarajan
Obsession
Dark
Missing
" We knew from theoretical models that mergers of massive, gas-rich galaxies were more frequent in the past. Now we've found that these mergers are responsible for producing both the nearby obscured quasar population and their distant cousins. "
Priyamvada Natarajan
Responsible
More
Cousins
" Individuals reporting on their own experience with particular therapies would provide first-hand accounts that could be considered in the improvement of drug design. "
Priyamvada Natarajan
Design
Improvement
Experience
" In addition to a well-funded school system, we need to encourage and exploit innovative approaches for learning outside the classroom. "
Priyamvada Natarajan
Learning
School
Need
" We must face up to a difficult paradox: The U.S. can maintain a leading position in science only by giving up its desire to be number one. "
Priyamvada Natarajan
Giving Up
Desire
Giving
" Science is evidence-based and provides a continuing understanding of complex natural phenomena. Our understanding is constantly evolving and continually improving. "
Priyamvada Natarajan
Our
Understanding
Science