Sarah Kell (Stewart)

Rachael spent over 6 months photographing New York's dogs. Adorable, but also inspiring. bit.ly/15crwQ5

Pollock, Richter, Cézanne, Among Those on Auction Block nyti.ms/101YmQx

With its new photo-enhancing app, Instagram takes on a bit of Facebook flavor theatln.tc/133d3m8

Yes, Barbara Kruger doesn’t much care for Supreme nyob.co/122d7jL

Larry Gagosian will open third London gallery, bringing total to 13 nyob.co/ZCzLAT

How to test your dog's brain and contribute to wider canine research: nyti.ms/ZEAAbK

Hydraulic fracturing, also known as "fracking,” is becoming yet another major source of groundwater contamination. ow.ly/k8xiW

Documentary 'A Place At The Table' Is A Call To Action On Hunger n.pr/VjxZDk

Get the TV, computer, video games & cell phone out of your child’s bedroom & limit their screen time during the day. ow.ly/i9Foi

The ludicrous charms of #DowntonAbbey, which returns to American TV today theatln.tc/VEMSLS

Don’t put flea and tick collars on your pets! They are toxic and expose you & your kids to harmful pesticides. ow.ly/gdnLO

Climate change projects to have a devastating impact on the ski industry: nyti.ms/VCOLrz

The Details: Art Furniture Thrives at Design Miami nyti.ms/ZhQiKr

Best of 2012: Editor-in-chief Chris Johns picks the best National Geographic Magazine photos on.natgeo.com/TVuzFp #photography

After the party, the hangover artnt.cm/SX5i9R

Phillips sold $79.9 mil of contemporary art, setting records for 4 young artists. artnt.cm/WipAjE

Inez & Vinoodh to Gagosian nyob.co/Oqbs5v

“@Gallerist_NY: A documentary about Gregory Crewdson hits Film Forum on Halloween nyob.co/QmBpSs” looks AMAZING !!!!!!

A 1940s guide to becoming a professional photographer. WATCH: theatln.tc/QCP0C2

A few decades from now, will the world's best champagne be made in England? theatln.tc/SrPPT5